topic: Sodium Silicate

Discover the diverse applications of sodium silicate (water glass) – from concrete densifiers and fireproof coatings to flotation depressants in mining and fixing agents in textile printing. Learn technical formulas and usage guides.

Potassium Silicate vs Sodium Silicate: Why Potassium Is the Superior High-Temperature Coating Binder

In the high-temperature resistant coating systems (such as chimney inner walls, boilers, kilns, high-temperature pipes, petrochemical heating furnaces, melting equipment), the adhesive determines the “framework” of the coating, so selecting the right high-temperature coating binder is the first step toward a durable system.

Sodium-based silicate (water glass) is the mainstream inorganic adhesive, classified into three types based on cations: sodium, potassium, and lithium. Engineering practice has repeatedly pointed to the same conclusion: in the head-to-head comparison of potassium silicate vs sodium silicate, the potassium system (K₂O·nSiO₂), commonly known as potassium water glass, significantly outperforms sodium silicate (Na₂O·nSiO₂) in high-temperature service scenarios. This article answers “why” from six mechanism levels and provides application evidence and selection boundaries at the end.

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Five Hard Requirements for High-Temperature Resistant Coatings on Adhesives

“Strong adhesion” is just the entry ticket; high-temperature resistance is the comprehensive result of multiple indicators. For any high-temperature coating binder, five hard requirements must be met simultaneously:

1. High-temperature resistance against softening

The coating must not flow, collapse, or powder at the service temperature;

2. Resistance to thermal shock

It must not crack or peel off during cold-hot cycles;

3. No alkali precipitation and whitening

The surface must not be damaged by alkali salt crystallization;

4. Water and medium resistance

The cured film must be resistant to water, acidic atmospheres, and corrosive gases;

5. High-temperature bonding with the substrate

The adhesion does not diminish at high temperatures.

This is exactly where the potassium silicate vs sodium silicate comparison produces a clear verdict: sodium silicate systematically fails in the first three items, while potassium silicate is comprehensively superior. The root cause lies in the difference in cations between the two.

Overview: A Comprehensive Comparison of Core Differences

The following table and graph summarize the relative levels of the potassium silicate binder and sodium silicate across eight dimensions (the scores are only for relative indication and are not experimental measurement values):

Dimension	Sodium Silicate	Potassium Silicate
Softening resistance	Softens at 590–670°C; fluid at 760–870°C	Higher softening point; stays rigid at high temperature
Efflorescence resistance	Poor — Na₂CO₃ blooms as white crystals	Excellent — K₂CO₃ highly soluble, rarely crystallizes
High-temp network stability	Moderate — Na⁺ migration damages the network	Excellent — low ionic potential of K⁺ keeps network intact
Thermal shock resistance	Moderate	Excellent — lower thermal expansion
Water resistance of cured film	Poor — film is largely water-soluble	Good — dense, water-resistant film
High-temp bonding to substrate	Moderate — weak interface	Strong — chemical anchoring
Usable modulus	1.6–3.5	2.5–4.0 and above
Temperature ceiling (with refractory fillers)	~600°C class	1000°C+ continuous; up to 1200–1400°C

Mechanism One: The “Body” Differences of K⁺ and Na⁺ Determine the Fate of the Silicon-Oxygen Network

The essence of the solidification of silicate binders is that SiO₄ tetrahedra are connected through bridging oxygen to form a three-dimensional network; alkali metal ions are typical “network modifiers”, which break the bridging oxygen and generate non-bridging oxygen. In the potassium silicate binder, the larger K⁺ ion disturbs this network far less than Na⁺.

– Ion Radius: Na⁺ is approximately 0.102 nm, K⁺ is approximately 0.138 nm; both have the same charge, so the ion potential (charge / radius ratio) of Na⁺ is significantly higher.

– Damage to the Network: The higher the ion potential of a cation, the stronger the polarization and “cutting” of the Si–O–Si bridge. At high temperatures, Na⁺, on the one hand, promotes the increase of non-bridging oxygen and the decrease of network aggregation degree, causing the coating to soften prematurely; on the other hand, its mobility is significantly higher than K⁺, and it accumulates on the coating surface and the interface with the substrate.

– Advantages of K⁺: The lower ion potential and the looser binding with surrounding oxygen cause less disturbance to the silicon-oxygen framework, and the network is more complete and less prone to softening at high temperatures. This is the root cause of “a difference of just one potassium ion, a huge performance gap”.

Mechanism Two: Alkali Erosion and Water Resistance —— The “White Frost” Pain of Na₂CO₃

The most classic failure mode of sodium silicate coatings is alkali effusion (frosting); for the potassium water glass system, this failure mode is far less likely:

– In the coating, free Na⁺ reacts with water vapor and CO₂ to form Na₂CO₃·nH₂O, which migrates to the surface and crystallizes into a white frost-like substance; the volume expansion of the crystal will burst the coating, and both adhesion and density will decline.

– Key data comparison: At 20℃, the solubility of Na₂CO₃ is approximately 21.5 g/100 g water, while that of K₂CO₃ is approximately 112 g/100 g water —— the solubility of potassium carbonate is an order of magnitude higher, and it is less prone to oversaturation crystallization on the coating surface, so the tendency of alkali effusion in the potassium system is significantly lower.

– Chain effect amplifies water resistance: Sodium hydroxide glass-cemented films have high water solubility and will re-oxidize, turn white, and lose strength when exposed to water; potassium system-cemented films are denser and have low water solubility, and have better water resistance. This is the direct reason for choosing potassium in high-humidity + high-temperature alternating conditions (chimneys, open-air boilers).

Mechanism Three: Softening Point —— Sodium “Softens First and then Flows” at 600℃, Potassium Stands Steadier

The starting point of the failure due to high temperature is the softening of the binder itself. For a high-temperature coating binder, the softening point is the hard ceiling of its service temperature:

– Experimental engineering data shows that sodium hydroxide glass begins to soften at approximately 590–670℃ and reaches the flowing state at 760–870℃; potassium hydroxide glass has a higher softening point.

-The significance of the coating: In common service segments of 600–900°C for boilers, chimneys, kilns, etc., the sodium system loses mechanical support at high temperatures, and the coating flows and pulverizes; the potassium system maintains a rigid framework and retains the shielding and bearing functions.

– Pay attention to the distinction of concepts: Here, we are referring to the softening and flowing temperature of amorphous silica gel, not the melting point of the crystal – the engineering selection should be based on the former.

Mechanism Four: Thermal Shock and Expansion – Crack Control under Cold and Hot Cycling

For any heat-resistant coating operating under cold-hot cycling, thermal shock control is often the deciding factor:

– Thermal shock failure chain: Thermal expansion mismatch between the coating and the substrate → cyclic stress → crack initiation and propagation → peeling.

– Comparative studies show that the potassium silicate system has lower thermal expansion and better thermal shock resistance, and the tendency for cracking under repeated heating and cooling is significantly less than that of the sodium system. TRUNNANO

– When combined with refractory fillers (alumina, mica, ceramic powder), the potassium system is more capable of adjusting the composite expansion coefficient to match that of the steel substrate (approximately 12×10⁻⁶/℃), thereby maintaining integrity during intense temperature fluctuations in the oven and during shutdown.

$Potassium silicate binder forming Si-O-Si network for welding electrodes refractories and alkali activated materials$

Mechanism Five: Film Formation Chemistry – Silicate Potassium Forms a More Dense Network

– In inorganic zinc-rich and high-temperature resistant coatings, silicate potassium reacts with zinc powder / zinc oxide to form a silicate zinc network, which is fully cured and has a dense film layer; the sodium system does not react completely, leaving a lot of free alkali, which becomes a potential hazard for later alkali efflorescence and poor water resistance.

– Silicate potassium has the ability to undergo CO₂ curing, and can gradually cross-link in the presence of CO₂ in the air, providing a wider construction window. – The modulus of commercial silicate potassium is usually 2.5–4.0 (pH approximately 11.5), with a high modulus meaning a higher proportion of SiO₂ and less free alkali, resulting in a complete SiO₂ network after curing and excellent water and temperature resistance; And the low-modulus sodium silicate glass has a large amount of free alkali, which is precisely one of the sources of excessive alkali and poor water resistance. A high-modulus potassium silicate binder therefore yields the denser, more continuous film that a heat-resistant coating relies on.

Mechanism Six: High Temperature “Chemical Anchoring” – Bonding with Metal Substrate

– At high temperatures, silicates react with the surface of steel, forming a ferrosilicate / glassy transformation layer, upgrading “physical adhesion” to chemical bonding.

– Na⁺ migrates and accumulates at the interface under high temperature, forming a weak interface layer, causing the coating to bubble and peel off; the potassium system has a stable interface and a dense and continuous bonding layer.

– This also explains why the potassium silicate glass is chosen as the welding rod coating binder in the welding industry: it does not collapse or crack under high-temperature electric arc and has a firm bond. This chemical anchoring is the ultimate advantage of the potassium silicate binder as a high-temperature coating binder on metal substrates.

Application Evidence: Selection in Engineering Sites

Field evidence consistently favors the potassium silicate binder — sold commercially as potassium water glass — in demanding applications:

1. Inorganic Rich Zinc Primer: The mainstream high-performance formula uses potassium silicate / lithium silicate instead of sodium silicate;

2. High Temperature Anti-corrosion / Fire-resistant Coatings: Pure silicate films can continuously operate at approximately 850°C; as a high-temperature coating binder, the high-performance potassium system combined with fire-resistant fillers can reach a continuous temperature of 1000°C, and some systems maintain structural integrity up to 1200–1400°C;

3. High-molecular-weight potassium silicate coating: Can withstand temperatures above 600°C for a long time, and above 1000°C for a short period. It does not decompose or release harmful gases at high temperatures, and has zero VOC emissions;

4. Welding rod bonding, casting coating, kiln lining: Also uses potassium sodium silicate as the superior material.

Objective Boundaries: Not all scenarios require potassium silicate

1. Cost: Potassium sodium silicate is significantly more expensive than sodium sodium silicate. In low-temperature, low-cost heat-resistant coating scenarios, sodium silicate can still perform well;

2. Base material restrictions: Alkaline silicates have corrosive effects on metallic elements such as aluminum, tin, and zinc (which may release hydrogen), so the compatibility of the base material needs to be evaluated;

3. Solidification Process: The formation of potassium silicate film relies on the combination of CO₂ and temperature/humidity, and the construction conditions are more demanding;

4. Recommendation for Material Selection: For applications above 600°C or in high-humidity outdoor environments with cold-hot cycle conditions, the potassium silicate binder — as a high-temperature coating binder — should be the preferred choice; if the budget allows and higher water resistance and weather resistance are required, silicon lithium can also be considered further.

Summary

The reason potassium silicate outperforms in the potassium silicate vs sodium silicate comparison is that potassium ions are “more gentle” – with lower ionic potential, slower migration, and greater salt solubility. This allows it to preserve the silicon-oxygen network at high temperatures, prevent alkali formation, avoid softening, and avoid peeling, ultimately achieving a higher temperature limit and lifespan than sodium silicate.

September 29, 2026

Sodium Silicate for Industrial Cleaning Agents | Builder & Anti-Corrosion Compound

Sodium Silicate for Industrial Cleaning Agents: Builder, Formulation and Anti-Corrosion Performance

Sodium silicate is a well-established raw material in the production of industrial cleaning agents. It functions primarily as a builder, improving the overall detergency of alkaline cleaner systems while helping to protect metal surfaces from excessive corrosion. For manufacturers of industrial cleaning agents, sodium silicate for industrial cleaning agents offers a cost-effective way to balance cleaning power, formulation stability and metal compatibility.

This article explains how sodium silicate is used in industrial cleaning agents, why it cannot serve as a standalone detergent, how typical alkaline formulations are prepared, and what performance benefits it delivers in metal degreasing applications.

Why Sodium Silicate Is Used as a Builder in Industrial Cleaners

Sodium silicate is not a surfactant. It does not form micelles or directly emulsify oily soil on its own. Instead, it works as a sodium silicate builder — an auxiliary component that enhances the performance of the primary detergent system.

In industrial cleaning agents, a sodium silicate builder contributes in several ways:

·Alkalinity buffering: It helps maintain a stable alkaline pH, which is essential for saponifying fats and dispersing oily soils.

·Soil dispersion: Silicate species can adsorb onto solid particles and help keep them suspended in the cleaning bath, preventing redeposition.

·Corrosion inhibition: It forms a thin protective film on certain metal surfaces, reducing attack by alkaline components.

·Cost efficiency: As an economical inorganic builder, it reduces the required dosage of more expensive surfactants and chelating agents.

Because of these functions, sodium silicate is commonly found in alkaline cleaners for sodium silicate metal degreasing, bottle washing, floor cleaning and heavy-duty industrial maintenance.

Sodium Silicate Cannot Work Alone as a Primary Detergent

Although sodium silicate is valuable as a builder, it cannot serve as a primary detergent on its own. A cleaning agent based only on sodium silicate would have limited ability to emulsify grease, wet surfaces or remove complex organic soils.

To achieve real detergency, sodium silicate for industrial cleaning agents must be compounded with:

·Surfactants — to reduce surface tension, wet surfaces and emulsify oils

·Chelating agents — to bind calcium, magnesium and other hardness ions

·Other builders — such as sodium hydroxide and sodium tripolyphosphate (STPP)

·Dispersants — to prevent soil redeposition

By adjusting pH values and adding appropriate dispersants, formulators can manufacture a composite cleaning agent that combines strong detergency with sodium silicate anti-corrosion performance. This is the core reason sodium silicate is almost always used in multi-component systems rather than as a single-ingredient cleaner.

Typical Alkaline Industrial Cleaner Formulation

A typical alkaline industrial cleaner formulation for metal surface degreasing may include the following raw materials:

Component	Function
Sodium silicate solution	Builder, corrosion inhibitor
Sodium hydroxide (NaOH)	Alkali source, saponification
Sodium tripolyphosphate (STPP)	Chelating / sequestering builder
Surfactants	Wetting, emulsification, detergency
Dispersants	Prevent soil redeposition
Water	Solvent / carrier

Typical compounding procedure for an alkaline industrial cleaner formulation:

1.Charge water and sodium silicate solution into a mixing vessel.

2.Add sodium hydroxide and sodium tripolyphosphate proportionally.

3.Heat the mixture to approximately 80 °C with continuous stirring.

4.Maintain stirring and reaction until a homogeneous alkaline cleaner concentrate is obtained.

5.Cool, filter if necessary, and package.

The exact ratios depend on the target application — whether the cleaner is intended for spray cleaning, immersion degreasing, ultrasonic cleaning or manual wiping. Formulators typically adjust the silicate-to-alkali ratio to balance cleaning strength against metal compatibility.

How the Compounding Process Reduces Precipitation Risk

One practical challenge with sodium silicate is its tendency to precipitate or form gels under certain conditions, especially when mixed with hard water or incompatible ingredients. The compounding process helps reduce this inherent precipitation risk in several ways:

·Controlled addition order：Adding silicate into an alkaline medium with proper stirring prevents localized high-concentration zones.

·Chelating agents：STPP and other chelators bind hardness ions that could otherwise react with silicate.

·pH control：Maintaining a stable alkaline pH keeps silicate species soluble and active.

·Dispersants：These help keep silicate and soil particles dispersed rather than flocculating.

As a result, the finished product remains stable during storage and dilution, and delivers consistent performance in the cleaning bath.

Degreasing Performance on Metal Surfaces

The finished alkaline cleaner effectively emulsifies grease and removes oily soil from metal surfaces. For sodium silicate metal degreasing, the mechanism combines:

·Saponification of animal and vegetable fats by sodium hydroxide

·Emulsification of mineral oils and synthetic greases by surfactants

·Dispersion of solid particles and pigments by silicate and dispersants

·Wetting of metal surfaces to allow the cleaning solution to penetrate soil layers

This makes sodium silicate–based alkaline cleaners suitable for degreasing steel, stainless steel, cast iron and other ferrous metal surfaces in applications such as:

·Parts washing and immersion degreasing

·Workshop floor and equipment cleaning

·Bottle and container washing

·Maintenance cleaning in manufacturing plants

Protecting Amphoteric Metals: Aluminum and Zinc

One of the most important advantages of sodium silicate in alkaline cleaning agents is its ability to protect amphoteric metals such as aluminum and zinc.

These metals are sensitive to strong alkaline solutions because they can dissolve in both acidic and alkaline environments. Without proper inhibition, a highly alkaline cleaner may cause:

·Surface etching

·Discoloration

·Excessive weight loss

·Pitting corrosion

Sodium silicate helps form a protective silicate film on the metal surface, which significantly reduces excessive corrosion. This sodium silicate anti-corrosion effect allows formulators to use alkaline chemistry for effective degreasing while keeping aluminum and zinc parts within acceptable corrosion limits.

For cleaning agents used on mixed-metal assemblies — where steel, aluminum and zinc may be present together — this anti-corrosion performance is a critical requirement in any alkaline industrial cleaner formulation.

Why Choose Our Sodium Silicate for Cleaning Agent Production

We supply sodium silicate solutions suitable for the production of alkaline industrial cleaning agents. Our product can be used as a sodium silicate builder in formulations containing surfactants, chelating agents, sodium hydroxide and sodium tripolyphosphate.

Benefits for cleaning agent manufacturers include:

·Consistent composition and stable supply

·Suitable for compounding at around 80 °C

·Good compatibility with common alkaline cleaner raw materials

Support for alkaline industrial cleaner formulation and technical troubleshooting

Whether you are developing a new alkaline degreaser or improving an existing metal cleaning product, sodium silicate for industrial cleaning agents can help you achieve the right balance of detergency, stability and anti-corrosion protection.

Contact Us for Sodium Silicate Supply and Technical Exchange

Manufacturers of industrial cleaning agents：if you require sodium silicate for your production, please leave your contact information. We welcome technical exchanges on formulation design, dosage optimization and application-specific performance.

Our team can provide:

Product specifications and samples

Recommended dosage ranges for alkaline cleaner systems

Technical support on compounding and stability

Supply coordination for ongoing production

Leave your contact information today — let’s discuss how sodium silicate for industrial cleaning agents can improve your formulations.

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September 11, 2026

Potassium Silicate for Welding Electrodes

Potassium silicate is a key inorganic binder widely used within welding consumables production. In welding applications, it acts as a core functional material for electrode coating formulations. Potassium silicate welding electrode manufacturers rely on this material to bind dry mineral powders onto metal core wires. It delivers critical inorganic bonding strength and processing stability during production. Welding electrode manufacturers select potassium silicate binder to secure coating integrity and maintain consistent manufacturing outcomes for finished welding electrodes.

What Is Potassium Silicate for Welding?

Potassium silicate is an inorganic silicate material used in welding electrode manufacturing, particularly as a binder and processing component in electrode coating formulations. The material chain follows this clear flow: Potassium Silicate → Electrode Coating → Welding Electrode.

As a core raw material, potassium silicate for welding electrodes integrates into coating mixes to hold mineral and flux ingredients together. Potassium silicate welding serves as a proven welding electrode binder that supports mass‑scale production of welding consumables. It forms the inorganic backbone of electrode coating systems without relying on organic adhesive components.

Potassium silicate welding electrode manufacturing process showing flux coating extrusion and arc stabilization mechanism

How Is Potassium Silicate Used in Welding Electrodes?

As an Inorganic Binder

Potassium silicate binder for welding electrodes works to bind coating ingredients, improve coating integrity, maintain formulation consistency, and provide inorganic bonding across the full electrode coating. It holds mixed mineral and flux powders firmly attached to the metal core wire throughout forming and handling steps. This bonding function is the primary reason potassium silicate electrode binder is specified in many welding electrode recipes.

As a Film‑Forming Component

After water evaporation during controlled drying cycles, potassium silicate forms a rigid inorganic silicate network. This potassium silicate film‑forming behaviour creates a solid, durable coating shell. The silicate binder for electrodes locks the blended coating components in place and reduces risks of chipping or damage during electrode handling and storage.

For Electrode Coating Formulations

Potassium silicate blends well with minerals, fillers, and other inorganic components inside electrode coating formulations. It modifies paste rheology for extrusion processing. No proprietary exact formula details are shared here; actual mixing ratios are adjusted by electrode producers according to their own product requirements.

Potassium silicate electrode binder manufacturing process coating extrusion and drying for welding electrodes

Why Use Potassium Silicate in Welding Electrode Manufacturing?

Inorganic Binding

Delivers robust inorganic binding performance for electrode coating systems, avoiding organic‑based binder decomposition patterns.

Good Mineral Compatibility

Works efficiently with mineral‑rich, inorganic‑heavy electrode coating base formulations typical for welding consumables.

Film Formation

Forms continuous silicate‑based bonded structures once the coated electrodes go through drying and baking cycles.

High‑Temperature Compatibility

Its inorganic chemical nature makes it suitable for high‑temperature industrial systems encountered during electrode production and welding service conditions.

Formulation Flexibility

Multiple grades of potassium silicate are available. Manufacturers can select suitable modulus and solid content grades to match their electrode formulation targets.

Consistent Processing

Supports stable performance across mixing, electrode coating extrusion, drying, and finished‑electrode handling steps, helping factories reduce processing variability.

Potassium Silicate in Welding Electrode Manufacturing

Potassium silicate welding electrode manufacturing process flow showing flux mixing extrusion drying and coating formation

Process flow: Raw Materials → Mixing → Electrode Coating → Drying → Quality Inspection → Finished Electrodes

1. Raw Material Preparation

Liquid or solid potassium silicate is received, inspected, and prepared as one of the key raw materials alongside mineral powders, fluxes and metal powders for electrode coating production.

2. Mixing the Electrode Coating

Dry coating powders are blended first; potassium silicate is then added for wet mixing. It wets solid powders and builds initial adhesion to create a workable extrusion paste.

3. Electrode Coating

The well‑mixed paste feeds into extrusion presses. Potassium silicate for welding electrodes gives proper paste rheology so the coating extrudes evenly onto each metal core wire.

4. Drying

Water evaporates during staged drying and baking. Potassium silicate welding forms its final inorganic bonded film, hardening the electrode coating and improving mechanical strength.

5. Quality Control

Finished electrodes are inspected for coating adhesion, surface integrity and physical defects. Raw‑batch consistency of potassium silicate directly influences final QC pass rates.

Welding Applications of Potassium Silicate

Welding Electrode Manufacturing

The primary commercial use. Potassium silicate welding electrode grades are purpose‑produced for stick electrode mass manufacturing.

Electrode Coating

Serves as core functional raw material within electrode coating formulation systems for welding consumables.

Welding Consumables

Supports production of SMAW stick electrodes and related welding consumable products where inorganic binders are required.

Inorganic Binder Systems

Represents one major inorganic binder solution for high‑heat‑exposed industrial coating systems beyond pure welding‑only use‑cases.

Liquid vs. Solid Potassium Silicate for Welding Applications

Feature	Liquid Potassium Silicate	Solid Potassium Silicate
Physical form	Liquid	Powder / solid lump
Handling	Ready‑to‑use / dilution possible	Requires dissolution before wet mixing
Mixing	Easy integration into liquid‑based coating formulations	Added during formulation, needs dissolving step
Storage	Liquid storage requirements, avoid freezing	Dry storage, moisture‑proof conditions
Application	Suitable for standard liquid‑process electrode production	Suitable for dry‑blending workflows and customized formulations

Noted: Match exact parameters to your official TDS documentation for public‑site publication.

Potassium Silicate vs. Other Welding Electrode Binders

Potassium Silicate vs. Sodium Silicate

Both are widely used inorganic silicate binders for electrode coatings. Potassium‑based silicate delivers different ion behaviour versus sodium‑silicate alternatives. Differences cover efflorescence tendency, paste rheology, and high‑temperature performance during welding. Material selection depends on electrode grade, production setup and target coating properties.

Potassium Silicate vs. Organic Binders

Potassium silicate features fully inorganic nature, excellent mineral compatibility, and stable performance under high‑heat conditions. Organic binders can burn away under welding heat. The choice depends on electrode formulation, processing requirements and desired properties; no single binder is universally superior for every electrode design.

How to Choose Potassium Silicate for Welding Electrodes?

Modulus

Modulus refers to the SiO₂ / K₂O molar ratio. Different modulus grades change bonding strength, film‑forming performance and paste viscosity. Select modulus to align with your electrode coating formulation and extrusion process.

Solid Content

For liquid potassium silicate, review SiO₂ content, K₂O content and total solids values. Solid‑content levels directly impact mixing water addition and final coating paste characteristics.

Viscosity

Viscosity strongly influences mixing behaviour, extrusion performance and electrode‑coating processing. Mismatched viscosity will create difficulties during high‑volume electrode production.

pH

pH acts as an important quality‑control marker for incoming material and helps verify compatibility with other coating raw‑material components.

Physical Form

Choose between liquid potassium silicate, solid potassium silicate and potassium silicate powder, based on your factory mixing workflows, storage infrastructure and formulation setup.

Frequently Asked Questions About Potassium Silicate for Welding

Q1. What is potassium silicate used for in welding?

A: Potassium silicate acts as an inorganic binder inside electrode coating mixes for welding electrodes, supporting paste processing and coating mechanical strength.

Q2. Can potassium silicate be used as a welding electrode binder?

A: Yes. Potassium silicate electrode binder is a standard inorganic binder option widely adopted within welding‑electrode manufacturing.

Q3. Why is potassium silicate used in electrode coatings?

A: It bonds mineral‑based coating powders together, forms inorganic films after drying, and enables stable industrial‑scale mixing and extrusion of electrode coating.

Q4. What is the difference between potassium silicate and sodium silicate for welding electrodes?

A: They differ in alkali cation, efflorescence risk, rheology and high‑temperature behaviour. Final selection depends on your specific electrode‑product requirements.

Q5. Is liquid or solid potassium silicate better for welding electrode manufacturing?

A: Liquid grades are convenient for ready‑to‑go wet mixing. Solid/powder grades suit sites preferring on‑site dissolution. Your production workflow determines the best option.

Q6. What potassium silicate modulus is suitable for welding electrodes?

A: Target modulus varies by coating formulation. Confirm your target SiO₂/K₂O ratio with your material supplier according to your existing coating recipe.

Q7. How does potassium silicate affect electrode coating formulations?

A: It contributes bonding power, adjusts paste rheology, and forms the hardened inorganic coating structure post‑drying. All other mineral and flux ingredients must show good compatibility with your selected silicate grade.

Q8. Can potassium silicate be used with mineral‑based electrode ingredients?

A: Yes, it exhibits good mineral compatibility and is designed to pair with mineral‑rich inorganic electrode‑coating raw materials.

Q9. What specifications should I check when buying potassium silicate for welding?

A: Key specs include modulus, solid content (SiO₂ & K₂O), viscosity, pH and physical form. Always cross‑reference against your formulation and TDS data.

Q10. Can Sanlee provide potassium silicate for welding electrode production?

A: Sanlee supplies liquid, solid and powder‑form potassium silicate grades targeted for welding consumable manufacturing. Contact our technical team to discuss your modulus, solid‑content and form requirements; we can provide documentation and samples for your lab testing.

Potassium Silicate for Welding Electrode Manufacturers

Sanlee Chemicals manufactures potassium silicate materials for welding‑electrode factories and welding‑consumable developers.

Potassium Silicate Products for Welding:

	$Potassium silicate granules free flowing uniform particles in container for electrode coating and refractory applications$
Liquid Potassium Silicate	Solid Potassium Silicate	Potassium Silicate Powder

We focus on consistent batch‑to‑batch quality, customized specifications, full technical documentation, and large‑volume bulk supply. We support OEM and customized modulus requirements. Where applicable, we deliver TDS, SDS, COA documentation, and product samples for customer formulation trials.

Looking for Potassium Silicate for Welding Electrodes?

Sanlee Chemicals supplies potassium silicate materials for welding electrode and other industrial applications. Contact our technical team to discuss your required modulus, concentration, physical form and application requirements.

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August 21, 2026

Soluble Silicon Fertilizer for Plants & Agriculture

What is soluble silicon fertilizer?

Soluble silicon fertilizer is a silicon‑based agricultural input that delivers water‑dissolvable silicon forms, releasing plant‑available silicon that crops can actively absorb for nutrition and stress resistance. Not all silicon sources produce usable silicon for plants, and only properly solubilized materials can deliver real agronomic value.

What Is Soluble Silicon?

Soluble silicon describes silicon compounds capable of dissolving in water to release forms usable by crops. It is critical to distinguish total silicon content from real plant‑available silicon. Many silicon‑rich raw materials have high total silicon but extremely low bioavailability for plants.

Key terms include soluble silicon, plant‑available silicon, silicon source, and water‑soluble silicon. Total silicon content alone does not guarantee agronomic performance. Only water‑soluble silicon fractions can turn into plant‑accessible nutrition, which forms the core value of silicon fertilizer for crops.

Why Is Soluble Silicon Important in Agriculture?

Soluble silicon directly drives silicon availability within farming systems. It underpins crop nutrition, supports balanced plant development, and strengthens environmental stress management. Without sufficient soluble silicon in soil or foliar inputs, even silicon‑loving crops cannot take advantage of silicon’s protective and nutritional benefits. plant‑available silicon acts as the bridge between silicon raw materials and observable crop improvements.

Soluble Silicon vs Insoluble Silicon

Feature	Soluble Silicon	Insoluble Silicon
Water solubility	High / depending on formulation	Low
Plant availability	More readily available	Generally lower
Agricultural application	Foliar / soil / fertigation depending on product	Mainly soil‑based sources
Application flexibility	Higher	More limited

Insoluble silicon materials may contain high total silicon, yet their low dissolution rate slows nutrient release and restricts application options. Soluble silicon products unlock fast‑acting silicon nutrition across multiple application modes.

Benefits of Soluble Silicon Fertilizer

Supports Plant Growth

Soluble silicon supports balanced vegetative development by optimising nutrient uptake and internal plant metabolism. Healthy silicon supply creates favourable internal conditions for steady biomass build‑up across growth phases.

Provides Plant‑Available Silicon

The core function of soluble silicon fertilizer is to deliver consistent plant‑available silicon. It bypasses slow soil mineral weathering, supplying ready‑to‑use silicon regardless of native soil silicon reserves.

Supports Plant Structure

Silicon absorbed by crops deposits within cell wall tissues, improving stem strength, reducing lodging risk and enhancing plant physical robustness. Well‑structured plants better resist mechanical damage and pest pressure.

Helps Plants Manage Environmental Stress

Soluble silicon assists plants manage environmental stress including drought, heat, salinity and other environmental stresses. It supports physiological adjustments that reduce stress‑related damage and stabilise performance under unfavourable growing conditions.

Supports Crop Quality

Proper silicon nutrition contributes to better fruit and produce quality parameters including firmness, shelf‑life and visual appearance, supporting higher‑value harvest outcomes.

Supports Efficient Crop Nutrition

Soluble silicon improves overall nutrient use efficiency, helping crops make better use of other applied fertilisers. Combined inputs such as potassium and silicon fertilizer deliver dual‑benefit nutrition programmes for high‑value field and protected crops.

Silicon mechanism in plants showing uptake via Lsi1 and Lsi2 transporters cell wall deposition structural defense and stress tolerance enhancement

How Does Silicon Work in Plants?

Silicon Uptake

Plant roots take up soluble silicon primarily in the form of monosilicic acid from soil or nutrient solutions via specialised root transportersOxford Aca…. Only dissolved, bioavailable silicon can cross root cell boundaries; insoluble silicon particles cannot be directly absorbed.

Silicon Transport in Plants

Once absorbed by root tissues, silicon moves upward through xylem vessels with the transpiration stream toward shoots, leaves and reproductive organs for further physiological actionPMC. Transport efficiency varies across different crop species.

Silicon Deposition

After translocation, soluble silicon concentrates and deposits within plant cell walls as biogenic silica. This deposition reinforces epidermal tissues, creating physical barriers that benefit plant resilience.

Silicon and Plant Stress Response

Beyond structural reinforcement, silicon modulates plant stress‑response pathways. It helps crops tolerate abiotic pressure from salt, heat and water shortage. This mechanism explains wide‑ranging field benefits observed when using agricultural potassium silicate and other qualified soluble silicon inputs

Soluble silicon fertilizer applications on rice wheat cucumber sugarcane and dendrobium orchids across field greenhouse and hydroponic systems

Applications of Soluble Silicon Fertilizer

Foliar Application

soluble silicon foliar fertilizer can be applied as a foliar treatment depending on formulation and crop requirements. Foliar delivery offers fast silicon supply during critical stress windows. Relevant search terms include soluble silicon foliar application and silicon foliar fertilizer. Always verify product compatibility before tank mixing with other agrochemicals.

Soil Application

soluble silicon soil application introduces bio‑accessible silicon directly into root zones. silicon fertilizer for soil improves soil solution silicon levels for continuous root uptake throughout the growing cycle.

Fertigation

soluble silicon fertigation is a high‑efficiency application method. Products can be delivered through irrigation / fertigation systems, though actual suitability depends entirely on formulation and chemical compatibility with other fertigation additives.

Hydroponic and Soilless Cultivation

soluble silicon for hydroponics is widely used in soilless growing systems where natural soil silicon is absent. Operators must follow product specifications and crop nutrition plans for correct dosing.

Greenhouse Agriculture

Greenhouse crops and protected cultivation (controlled environment agriculture) benefit greatly from soluble silicon inputs. High‑density greenhouse growing often creates elevated abiotic stress conditions that silicon nutrition helps mitigate.

Soluble silicon fertilizer applications on rice wheat barley corn soybean tomato cucumber and strawberry with crop-specific dosages

Soluble Silicon Fertilizer for Different Crops

Soluble Silicon for Rice

Rice is a classic silicon‑accumulating crop, and soluble silicon fertilizer for rice improves lodging resistance and stress tolerance during tillering and reproductive growth stages.

Soluble Silicon for Vegetables

soluble silicon fertilizer for vegetables covers tomato, cucumber, pepper and leafy vegetables. Silicon supports stem strength, reduces physiological disorders and improves marketable yield quality.

Soluble Silicon for Fruits

soluble silicon for fruit crops enhances fruit firmness and post‑harvest performance across multiple fruit varieties. Timed applications during fruit development deliver best results.

Soluble Silicon for Field Crops

Broad‑acre field crops gain resilience against drought and lodging with well‑timed soluble silicon programmes, supporting stable production under variable climate conditions.

Soluble Silicon for Horticultural Crops

Horticultural crops under protected or open‑field conditions respond positively to silicon nutrition, benefiting from improved structure and stress tolerance.

How to Apply Soluble Silicon Fertilizer

Foliar Application

Key considerations include dilution ratio, uniform spray coverage, application timing and target crop growth stage. Fine droplet sprays improve leaf surface contact; avoid application under extreme direct sunlight to minimise leaf risk.

Soil Application

Available techniques include soil drench, surface irrigation, fertigation and targeted root‑zone application. Product solubility determines practical implementation within existing farm workflows.

Application Timing

Prioritise applications during early growth, vegetative growth, reproductive stage, and environmental stress periods. Early season supply establishes silicon reserves ahead of peak stress risk.

Application Rate

The recommended application rate depends on the silicon concentration, formulation, crop type, growth stage and application method. Always follow the product technical data and local agricultural recommendations.

Types of soluble silicon fertilizer including potassium silicate sodium silicate stabilized silicic acid and nanosilica for foliar and soil application

Types of Soluble Silicon Fertilizer

Potassium Silicate

Potassium silicate delivers both potassium + soluble silicon, representing a typical potassium and silicon fertilizer. For qualified agricultural grades, see our dedicated Potassium Silicate Fertilizer product page. High‑quality agricultural potassium silicate is widely adopted across foliar, soil and fertigation workflows for commercial crop production Nature.

Sodium Silicate

Sodium silicate acts as a soluble silicate source. Important note: industrial‑grade sodium silicate cannot be automatically treated as fertiliser. For agricultural use, materials must meet relevant product specifications and local regulatory requirements, as excess sodium may create soil salinity risks.

Other Soluble Silicon Sources

Additional soluble silicon fertilizer formulations exist on the market, varying in silicon concentration, counter‑ions, pH and physical state. Product performance must always be validated for target crops and application systems.

Potassium Silicate vs Other Soluble Silicon Sources

Feature	Potassium Silicate	Other Soluble Silicon Sources
Soluble silicon	Yes	Depends on formulation
Potassium supply	Yes	Depends on source
Water solubility	Generally high	Varies
Agricultural applications	Yes, when formulated for agriculture	Depends on product
Application methods	Foliar / soil / fertigation depending on product	Depends on formulation

Potassium silicate is one of the commonly used soluble silicate sources when both potassium and soluble silicon are required. It combines essential macronutrient potassium with bio‑accessible silicon, avoiding unwanted ion‑build‑up risks linked to some alternative silicate materials.

How to Choose a Soluble Silicon Fertilizer

Soluble Silicon Content

Focus on guaranteed soluble silicon value instead of only total silicon content. This determines actual supply of plant‑available silicon.

Potassium or Other Nutrient Content

Evaluate accompanying nutrients. Products such as agricultural potassium silicate bring extra potassium nutrition, which may reduce additional fertiliser input requirements.

Solubility

Confirm complete water solubility to prevent nozzle blockages in fertigation and foliar spray systems. Poor solubility ruins application equipment and reduces nutrient delivery efficiency.

Concentration

Higher concentration reduces logistics costs but requires precise dilution on‑site. Match concentration to your existing mixing and handling infrastructure.

pH and Compatibility

Silicate‑based products are typically alkaline. Check pH and tank‑mix compatibility before combining with acid‑based fertilisers or agrochemicals.

Product Consistency

Select suppliers offering stable batch‑to‑batch consistency in physical properties and guaranteed chemical specifications for bulk agricultural usage.

Agricultural Grade and Regulatory Requirements

Prioritise agricultural grade materials complying with local regulatory requirements. Industrial‑grade silicates are not automatically suitable for crop fertilisation, even when chemically similar.

Why Choose SanLee Soluble Silicon Solutions?

Consistent Product Quality

SanLee maintains tight quality control across soluble silicate lines, delivering stable soluble silicon levels trusted by agricultural distributors and large‑scale growers globally.

Multiple Silicate Formulations

We offer multiple silicate formulations including liquid and solid potassium silicate for diverse field, greenhouse and hydroponic scenarios.

Bulk Supply

We support large‑volume bulk supply for B2B customers, including IBC totes, drums and container‑scale shipments.

OEM / Customized Specifications

OEM and customised specifications are available to match client target Si concentration, modulus and formulation needs.

Technical Support

Our team provides practical technical support covering product handling, compatibility checks and application guidance.

FAQ

FAQ 1: What is soluble silicon fertilizer?

Soluble silicon fertilizer is a water‑dissolvable silicon‑rich agricultural input that releases plant‑available silicon for crop nutrition and stress resistance.

FAQ 2: What does soluble silicon do for plants?

Soluble silicon strengthens plant cell structure, improves tolerance against drought, heat and salinity stress, supports nutrient uptake and helps enhance overall crop quality.

FAQ 3: What are the benefits of soluble silicon fertilizer?

Key benefits include stronger plant structure, improved stress resilience, better crop quality and higher nutrient‑use efficiency when using silicon fertilizer for crops.

FAQ 4: Is soluble silicon good for plants?

Yes. When applied from properly formulated agricultural products, soluble silicon delivers widely proven benefits for most field, vegetable, fruit and horticultural crops.

FAQ 5: How do you apply soluble silicon fertilizer?

Common application routes include foliar spray, soil drench, fertigation, hydroponic nutrient solutions and greenhouse irrigation systems. Application choices depend on product and crop.

FAQ 6: Can soluble silicon fertilizer be used as a foliar spray?

Many formulations support foliar application. Confirm product labelling for suitability, dilution guidance and tank‑mix restrictions before field use.

FAQ 7: Can soluble silicon be applied through fertigation?

Yes, soluble silicon fertigation is a popular method, but you must verify product solubility and compatibility with your existing fertigation stock solutions.

FAQ 8: What crops can benefit from soluble silicon fertilizer?

Rice, vegetables including tomatoes and cucumbers, fruit crops, field crops and greenhouse horticulture all respond well to soluble silicon nutrition.

FAQ 9: What is the difference between soluble and insoluble silicon fertilizer?

Soluble silicon dissolves in water to give fast‑access plant‑available silicon and supports foliar, soil and fertigation. Insoluble silicon has low water‑solubility, limited bioavailability and is mostly limited to soil‑only application.

FAQ 10: Is potassium silicate a soluble silicon fertilizer?

Yes. Qualified agricultural potassium silicate acts as a typical soluble silicon fertilizer. It functions as a potassium and silicon fertilizer, supplying both potassium nutrition and bio‑accessible silicon for plants.

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August 18, 2026

Powdered Sodium Silicate Modulus 2.8-2.9
What is Easy Dissolving Sodium Silicate Powder Modulus 2.8-2.9?

Dry sodium silicate powder (CAS 1344-09-8) is a white off-white free-flowing inorganic powder with moderate hygroscopicity that requires sealed moisture-proof storage. As easy dissolving sodium silicate powder, it dissolves rapidly in cold and warm water within minutes without heating, generating homogeneous alkaline aqueous solutions with a pH range of 11.5–12.5. Available as bulk sodium silicate powder for large-scale industrial procurement, this high purity sodium silicate powder gains wide recognition across light industry, construction and water treatment sectors thanks to its convenient dissolution, stable formula and cost-efficient bulk supply.
Easy dissolving sodium silicate powder modulus 2.8-2.9 is a medium-modulus dry sodium silicate powder refined from traditional solid water glass raw materials. Featuring a moderate molar ratio of silica to sodium oxide, this high purity sodium silicate powder fills the market demand for medium-modulus bulk sodium silicate powder, tailored for general industrial scenarios requiring balanced bonding strength, moderate heat resistance and mild chemical reactivity.
Though its high-temperature strength and curing hardness are lower than high-modulus 3.1–3.3 grades, modulus 2.8-2.9 dry sodium silicate powder delivers well-balanced comprehensive performance with lower raw material cost. Its mature application system covers daily chemical cleaning, ordinary construction bonding, light foundry and water purification. The mainstream optimization directions include low-dust granulation modification, anti-caking coating treatment for bulk sodium silicate powder, and compound blending with surfactants to expand usage in low-foam detergent formulas.

Introduction to Dry Sodium Silicate Powder

Modulus stands for the molar ratio of silicon dioxide to sodium oxide inside sodium silicate, which dominates all core physical and chemical performance indicators of dry sodium silicate powder.
Distinct from high-modulus 3.1–3.3 instant sodium silicate, easy dissolving sodium silicate powder with modulus 2.8-2.9 carries medium silica content, moderate gel forming speed and mild alkalinity, making it safer and easier to compound with most auxiliary chemical raw materials.
This high purity sodium silicate powder presents uniform fine white powder under normal temperature with minimal agglomeration. As typical easy dissolving sodium silicate powder, it fully dissolves in room-temperature water without heating and leaves almost no insoluble sediment. When purchased as bulk sodium silicate powder, it greatly cuts down unit procurement cost for mass production manufacturers.
Modulus 2.8-2.9 dry sodium silicate powder solves prominent drawbacks of liquid water glass including short shelf life, high freight cost and low effective solid content. It combines the merits of easy dissolving performance, moderate bonding force, mild corrosion resistance and stable alkaline buffering capacity. Compared with low-modulus 2.0–2.5 sodium silicate powder, it owns better gelation performance and longer service life after curing, becoming the universal bulk sodium silicate powder choice for medium and conventional industrial production lines.

Core Advantages & Characteristics of High Purity Sodium Silicate Powder (CAS 1344-09-8)

Outstanding easy dissolving property

This dry sodium silicate powder adopts loose porous particle structure, which disperses and dissolves quickly once mixed with water. It shortens solution preparation time drastically, lifts downstream production continuity and efficiency, and perfectly matches automatic bulk feeding equipment when ordered as bulk sodium silicate powder.

Ultra-high purity & stable formula metering

The solid content of high purity sodium silicate powder approaches 100%, with trace free water and strictly controlled heavy metal & insoluble impurities. It guarantees precise, consistent formulation of downstream finished goods, eliminates batch-to-batch quality fluctuation triggered by impurity interference, and meets strict raw material standards for daily chemical and fine chemical production.

Superior cost efficiency & storage convenience

Supplied as dry sodium silicate powder in solid form, bulk sodium silicate powder saves massive expenditure on liquid packaging, tank transportation and cold storage. It occupies less warehouse space and supports long-distance cross-region transportation and long-term sealed storage, greatly lowering overall logistics and inventory expenses for factories.

Stable alkaline buffering plus powerful emulsification & dispersion

High purity sodium silicate powder maintains steady weak-to-medium alkaline environment in aqueous system, equipped with premium emulsifying, dispersing and anti-redeposition functions. In detergent manufacturing, it lifts stain removal efficiency; in industrial blending processes, it disperses solid impurities and stabilizes mixed liquid systems, serving as a versatile multi-functional inorganic additive.

Operation Guidance for Dry Sodium Silicate Powder

Dissolution operation: Under continuous stirring, add easy dissolving sodium silicate powder into water slowly to prepare uniform mother liquor. The recommended working concentration for daily production ranges from 30% to 50%.
Storage requirements: Store bulk sodium silicate powder in cool, dry and ventilated warehouses with fully sealed packaging to avoid moisture absorption and powder caking.
Raw material compatibility: It features excellent synergistic effects when compounded with anionic surfactants, non-ionic surfactants, soda ash, STPP and other conventional inorganic auxiliary agents.
June 30, 2026
Powdered Sodium Silicate Modulus 2.0-2.1
What is Sodium Silicate Powder Modulus 2.0-2.1?

Sodium silicate powder is a fast-soluble solid inorganic silicate widely adopted across chemical, construction and daily chemical industries.
Sanlee Chemical acts as a professional sodium silicate powder manufacturer and trustworthy powder sodium silicate manufacturer, we are a top China sodium silicate powder factory supplying high-purity powdered water glass with consistent stability, especially tailor-made low-modulus sodium silicate powder modulus 2.0-2.1 to satisfy varied mass industrial production demands.

This powdered product is produced via high-temperature melting, spray drying and precise screening procedures, boasting fine uniform particle size, ultra-low impurity levels and steady chemical indexes, making it a top-choice raw material for countless downstream manufacturing sectors.

Introduction to Sodium Silicate Powder

Also called solid powdered water glass, sodium silicate powder is spray-dried granule made from liquid water glass raw material.
It presents white free-flowing instant soluble powder at ambient temperature, featuring powerful alkalinity, fast dissolution rate, outstanding bonding and activation performance.

Our flagship low modulus 2.0-2.1 sodium silicate powder delivers strong alkalinity and rapid solubility, perfectly suited for most powder-formulated industrial formulas. As a professional China sodium silicate powder factory, our goods gain wide recognition from worldwide buyers thanks to steady batch quality and competitive cost efficiency.

CAS Number

CAS No.: 1344-09-8

Chemical Formula

General chemical formula: Na₂O·nSiO₂; Our sodium silicate powder modulus 2.0-2.1 adopts an accurate molar ratio of silicon dioxide and sodium oxide, maintaining stable molecular structure and uniform performance among different production lots.
June 26, 2026
Powdered Sodium Silicate Modulus 2.4-2.5
What is Sodium Silicate Powder (Dry Sodium Silicate Powder / Powder Water Glass) Modulus 2.4-2.5?

Sodium silicate powder, also called dry sodium silicate powder or powder water glass, is a solid powdery inorganic silicate raw material extensively adopted across global chemical and heavy industrial sectors.

Sanlee Chemical acts as a professional sodium silicate powder manufacturer and trusted sodium silicate powder supplier, supplying high-purity dry sodium silicate powder with steady chemical indicators. Our core modulus 2.4-2.5 sodium silicate powder can be tailored to bespoke standards, perfectly matching varied mass production demands from factories worldwide for clients who want to buy sodium silicate powder with reliable quality control.

This powder water glass is manufactured via high-temperature fusion, dehydration, grinding and multi-stage impurity filtration procedures. It boasts uniform fine particle size, ultra-low heavy metal and insoluble impurity content, fast water dissolving speed and long-term stable chemical activity, making it a premium foundational raw material for hundreds of industrial production workflows.

Introduction to Sodium Silicate Powder

Popularly named powder water glass or dry sodium silicate powder, sodium silicate powder is solid granular/powdery water glass formed by dehydrating liquid sodium silicate and deep crushing treatment.

Under standard room temperature and atmospheric pressure, it presents as white or off-white free-flowing fine powder, featuring powerful adhesive strength, rapid hardening capacity, outstanding acid resistance and corrosion resistance, as well as convenient transportation and storage compared to liquid water glass without liquid leakage risks.

Our flagship modulus 2.4-2.5 sodium silicate powder maintains a balanced molar ratio of silica to sodium oxide, moderate dissolving rate and outstanding chemical reactivity. It covers nearly all mainstream industrial usage scenarios and has earned consistent positive feedback from global manufacturers thanks to stable batch quality, high cost efficiency and flexible packaging options for those who buy sodium silicate powder in bulk.

CAS Number

CAS No.: 1344-09-8

Chemical Formula

General chemical formula: Na₂O·nSiO₂; Our modulus 2.4-2.5 dry sodium silicate powder adopts an accurately calibrated molar ratio of silicon dioxide and sodium oxide. The molecular structure remains uniform across every production batch, eliminating fluctuations in product performance for downstream processing.
June 26, 2026
Liquid Sodium Silicate Modulus 3.1-3.4
What is liquid sodium silicate modulus 3.1-3.4(CAS 1344-09-8)?

Liquid sodium silicate is a water-soluble inorganic silicate solution widely used in the chemical and industrial fields, also known as high modulus water glass for high silica ratio grades.
Sanlee Chemical acts as a professional sodium silicate manufacturer and reliable sodium silicate supplier from China, we supply premium high modulus sodium silicate liquid China with stable chemical indicators, especially the customized liquid sodium silicate modulus 3.1-3.4 that satisfies complex high-standard industrial production demands.
This sodium silicate liquid China is manufactured via precise high-temperature synthesis and multi-stage fine filtration processes, delivering homogeneous liquid texture, ultra-low heavy metal impurities and steady chemical reactivity, making it a top-choice raw material for high-performance industrial manufacturing.

Introduction to Liquid Sodium Silicate

Commonly named water glass solution, liquid sodium silicate is an aqueous solution generated from solid sodium silicate dissolved in deionized water.

It presents as a colorless or pale light blue viscous transparent liquid at ambient temperature, equipped with outstanding bonding strength, rapid hardening capacity and outstanding corrosion resistance.

Our flagship high modulus sodium silicate with modulus 3.1-3.4 carries ideal viscosity and superior silica activity, perfectly matching high-demand industrial production lines. This high modulus water glass gains consistent praise from global buyers for its stable batch quality and competitive cost efficiency.

CAS Number

CAS No.: 1344-09-8

Chemical Formula

General chemical formula: Na₂O·nSiO₂; Our liquid sodium silicate modulus 3.1-3.4 adopts an accurate molar ratio of silicon dioxide to sodium oxide, maintaining a stable molecular framework and uniform performance across all production batches.
June 26, 2026
Solid Sodium Silicate Modulus 3.1-3.3
What is Solid Sodium Silicate?

Solid sodium silicate, also known as solid water glass, is an inorganic silicate compound with the chemical general formula Na₂O·nSiO₂.
It is produced by melting quartz sand (SiO₂) and soda ash (Na₂CO₃) at high temperature, then cooling and crushing into solid lumps, flakes or granules.
Sanlee Chemical as a professional sodium silicate manufacturer and reliable sodium silicate solid supplier, we provide high-purity industrial sodium silicate with stable performance, especially the customized solid sodium silicate modulus 3.1-3.3 that meets diverse industrial production needs.
The appearance of solid sodium silicate is transparent/translucent glassy solid, colorless, light gray or pale green; hard and brittle. It is not soluble in cold water, but slowly dissolves/hydrolyzes in hot water to form liquid sodium silicate solution (liquid water glass)

Introduction to Sodium Silicate Solid

Solid sodium silicate, widely known as solid water glass, is a versatile inorganic silicate compound with the general chemical formula Na₂O·nSiO₂.
It is industrially manufactured by fusing high-purity quartz sand and soda ash at extreme temperatures ranging from 1200℃ to 1400℃, followed by rapid cooling and crushing into hard, brittle, glassy solid lumps or flakes. This anhydrous solid product features adjustable modulus, referring to the variable ratio of silicon dioxide to sodium oxide, which directly dictates its physical and chemical performances for diverse industrial scenarios.
Visually, it appears colorless, translucent or pale gray with stable solid-state properties, boasting longer shelf life and higher concentration compared to liquid sodium silicate. It is insoluble in cold water, ethanol and acidic solutions, but can gradually dissolve and hydrolyze in hot water to form homogeneous alkaline silicate solutions.
Possessing excellent adhesion, heat resistance, acid resistance and fire-retardant properties, solid sodium silicate serves as a fundamental industrial chemical.
It is extensively applied as a high-strength binder for foundry sand molds and refractory materials, a sealing and waterproof agent for concrete construction, and a key raw material for producing liquid water glass, ceramic glazes and industrial detergents. Its stable performance and cost-effectiveness make it an indispensable material in construction, metallurgy, chemical and environmental protection industries.

CAS Number

CAS No.: 1344-09-8

Chemical Formula

General chemical formula: Na₂O·nSiO₂; The specific formula of our solid sodium silicate modulus 3.1-3.3 is matched according to the precise molar ratio of silica and sodium oxide, with stable molecular structure and consistent product batch performance.
June 25, 2026
Liquid Sodium Silicate Modulus 2.2-2.4
What is liquid sodium silicate modulus 2.2-2.4?

Liquid sodium silicate is a water-soluble inorganic silicate solution widely used in the chemical and industrial fields.
Sanlee Chemical as a professional sodium silicate manufacturer and reliable sodium silicate supplier, we provide high-purity industrial sodium silicate with stable performance, especially the customized liquid sodium silicate modulus 2.2-2.4 that meets diverse industrial production needs.
This liquid product is refined through strict high-temperature reaction and filtration processes, featuring uniform texture, low impurity content and stable chemical properties, which is the preferred raw material for many industrial manufacturing scenarios.

Introduction to Liquid Sodium Silicate

Commonly known as water glass solution, liquid sodium silicate is an aqueous solution formed by dissolving solid sodium silicate in water.
It appears as a colorless or slightly light blue transparent viscous liquid under normal temperature and pressure, with good adhesion, hardening and anti-corrosion properties.
Our mainstream 50 degree baume sodium silicate with modulus 2.2-2.4 has moderate viscosity and excellent reactivity, covering most conventional industrial application scenarios, and is widely recognized by global industrial customers for its stable quality and cost performance.

CAS Number

CAS No.: 1344-09-8

Chemical Formula

General chemical formula: Na₂O·nSiO₂; The specific formula of our liquid sodium silicate modulus 2.2-2.4 is matched according to the precise molar ratio of silica and sodium oxide, with stable molecular structure and consistent product batch performance.
June 17, 2026


Liquid Sodium Silicate Modulus 2.2-2.4
High-quality liquid sodium silicate modulus 2.2-2.4 and 50° Bé concentration. Suitable for detergents, foundry, refractory materials, construction chemicals and industrial applications. Custom specifications available from an experienced manufacturer and exporter.