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SanLee-China Sodium Silicate Factory

$Powdered potassium silicate white free-flowing powder in glass container for welding electrode refractory and detergent applications$

Potassium Silicate Powder Modulus 2.7-2.9

High-purity modulus 2.7-2.9 powdered potassium silicate with fast cold-water solubility, stable alkalinity and low impurities. This instant dissolving silicate powder boasts excellent additive compatibility and better thermal stability than sodium silicate, widely applied in detergents, refractories, construction hardeners, welding materials, agricultural fertilizers and industrial coatings.

Model Numbe

WNF-KP28

Other Names

Potash Water Glass Powder, Soluble Potassium Silicate Powder, Potassium Metasilicate Powder

Molecular Formula

K₂O·nSiO₂

CAS No.

1312-76-1

EINECS No.

215-199-1

Grade Standard

Industry Grade

Place of Origin

HEBEI,China

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Product Details

What is powdered potassium silicate?

Powdered potassium silicate, also called dry potassium silicate powder or instant potassium silicate powder, is a high-performance solid powdery inorganic silicate raw material widely utilized in fine chemical, refractory, agricultural, coating and environmental protection industries worldwide.

Compared with sodium silicate powder, industrial potassium silicate powder features better thermal stability, stronger weather resistance and non-toxic, soil-friendly properties, making it an upgraded industrial silicate material for high-end manufacturing scenarios.

As a professional potassium silicate powder factory, we specialize in the R&D, production and supply of high-purity bulk potassium silicate powder and soluble potassium silicate powder with stable chemical indicators and consistent batch quality.

Our powdered potassium silicate powder supports customized modulus and technical specifications, fully meeting the diversified mass production and high-standard application demands of global clients who seek reliable industrial potassium silicate powder suppliers.

Our premium potassium silicate powder is produced through strict high-temperature fusion, precise dehydration, ultrafine grinding and multi-stage impurity removal processes. The finished soluble potassium silicate powder boasts uniform fine particle size, ultra-low heavy metal and insoluble impurity content, excellent instant solubility in cold water without heating, and long-term stable chemical activity. With superior gelling, bonding and catalytic properties, it has become an indispensable foundational raw material for high-end industrial and agricultural production.

Introduction to Potassium Silicate Powder

Potassium silicate powder is a free-flowing solid powdery silicate material processed by deep dehydration and ultrafine crushing of liquid potassium silicate. Under normal temperature and pressure conditions, it appears as white or off-white fine powder, with outstanding adhesive strength, rapid curing performance, excellent high-temperature resistance and corrosion resistance.

Different from liquid potassium silicate, our bulk potassium silicate powder features convenient transportation and storage, completely avoiding liquid leakage, deterioration and freezing problems.

Our mainstream powdered potassium silicate adopts a scientifically balanced silica-potassium oxide molar ratio, with moderate dissolving speed, high chemical activity and strong formula compatibility.

With stable quality, high cost performance and flexible packaging options, our industrial potassium silicate powder has won wide recognition and consistent positive feedback from global manufacturers and agricultural processing enterprises.

CAS Number

CAS No.: 1312-76-1

Chemical Formula

General chemical formula: K₂O·nSiO₂; Our customized powdered potassium silicate series features accurately calibrated molar ratios of silicon dioxide and potassium oxide. Each batch of soluble potassium silicate powder maintains uniform molecular structure and stable chemical properties, effectively eliminating performance fluctuations and ensuring stable downstream production effects.

Product Display

$Industrial potassium silicate powder white free-flowing powder in glass beaker with CAS 1312-76-1 for welding refractory and detergent applications$

Technical Specifications

Items	Unit	Product parameters
Apperance	/	White free-flowing fine powder, free of visible impurities and caking
Modulus(n)	/	2.7-2.9
Total Content (K₂O + SiO₂)	%	94.5-98.8
SiO₂	%	60.8-62.4
K₂O	%	33.7-35.4
pH Value (1% Aqueous Solution, 25℃)	/	11-13
Bulk Density	g/l	0.5-0.8
Dissolution Speed	s	≤100

Key Features

High Purity & Stable Chemical Performance

We strictly control multi-stage purification and grinding processes to produce high-quality industrial potassium silicate powder with ultra-low heavy metal and insoluble impurities.

Fast Cold-Water Solubility & Excellent Compatibility

Our soluble potassium silicate powder adopts ultrafine powder processing technology, which can dissolve rapidly in normal-temperature cold water without heating or auxiliary stirring.

Superior Material Properties & Wider Application Range

Compared with traditional sodium silicate powder, bulk potassium silicate powder has unique superior performance including better high-temperature resistance, stronger weather resistance and excellent anti-oxidation capacity

Convenient Storage & Cost-Effective Bulk Supply

Different from liquid potassium silicate, powdered potassium silicate has no liquid leakage, freezing or deterioration risks during transportation and storage, featuring lower logistics cost and longer shelf life.

Potassium Silicate Powder 2.7-2.9 Modulus Application

As a core star product of our potassium silicate powder factory, high-purity potassium silicate powder relies on its excellent bonding, gelling, high-temperature resistant, water-resistant and nutritional activation properties, covering mainstream high-end application fields of powdered potassium silicate. The detailed industrial and agricultural application scenarios are as follows:

• Refractory & Building Materials Industry

It serves as a high-efficiency inorganic binder and curing agent for high-temperature refractory materials, fireproof coatings and special building mortars. Our industrial potassium silicate powder can firmly bond refractory aggregates such as alumina and magnesia, improving the compactness, high-temperature resistance and scouring resistance of refractory bricks, furnace linings and thermal insulation refractory blocks for industrial kilns. In civil construction, bulk potassium silicate powder is used for concrete surface hardening, anti-seepage and anti-corrosion treatment, significantly enhancing the hardness, wear resistance and weather resistance of building floors, tunnels and outdoor building structures.

• Agricultural Silicon & Potassium Fertilizer Industry

As a core raw material of water-soluble silicon-potassium fertilizer, soluble potassium silicate powder is widely used in modern agricultural planting. It can supplement silicon and potassium elements for crops, enhance crop stalk toughness, improve lodging resistance, disease resistance and stress resistance of rice, wheat, fruits and vegetables. Meanwhile, powdered potassium silicate can improve soil structure, alleviate soil hardening and acidification, activate soil nutrients, and is a safe and efficient green agricultural additive with no residue and no pollution.

• Coating, Paint & Anti-Corrosion Industry

It is an essential base material for preparing inorganic fireproof coatings, metal anti-corrosion coatings and weather-resistant architectural coatings. Potassium silicate powder forms a dense and firm protective film after film formation, which can effectively isolate air and moisture, prevent metal oxidation and building surface aging. Our high-purity bulk potassium silicate powder has fine and uniform particles, which can effectively improve the flatness, hardness and weather resistance of coatings, avoiding peeling and cracking of paint layers.

• Fine Chemical Manufacturing Industry

It is a key raw material for the synthesis of silica sol, high-purity white carbon black, zeolite molecular sieves, inorganic adsorbents and chemical catalysts. The stable modulus and high activity of our industrial potassium silicate powder ensure sufficient and uniform chemical reaction in fine chemical synthesis, improve product yield and purity, and reduce production waste and resource consumption, suitable for large-scale continuous chemical production lines.

• Environmental Protection & Water Treatment Industry

Widely applied in industrial wastewater treatment, heavy metal pollution remediation, sediment solidification and site environmental improvement. Powdered potassium silicate can react with heavy metal ions such as lead, cadmium and copper in wastewater to form insoluble stable silicate precipitates, realizing efficient separation of pollutants. In addition, bulk potassium silicate powder is used for landfill anti-seepage layer reinforcement and mine tailings solidification, with non-toxic and environmentally friendly characteristics, no secondary pollution, meeting global environmental protection production standards.

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Packaging and Storage

Packaging

Our powdered potassium silicate adopts standard industrial packaging with premium kraft paper bags, including 25kg kraft paper bag packaging specifications, and supports customized packaging and labeling according to customer requirements. All kraft paper bag packages are tightly sealed, moisture-proof and dust-proof, which can effectively prevent powder leakage, moisture caking and product contamination during transportation and storage. As a reliable professional sodium silicate powder supplier, we provide flexible packaging solutions and bulk shipping services for global customers who buy sodium silicate powder.

Storage

Our powdered potassium silicate should be stored in a cool, dry, and well‑ventilated warehouse environment. Keep the product away from direct sunlight, high temperature, and humid conditions to prevent moisture absorption, caking, and deterioration of chemical performance. The kraft paper bag packaging must be kept tightly sealed during storage and handling. Avoid contact with water, moisture, acid substances, and strong oxidizing agents to maintain stable powder fluidity and original modulus properties. Stacking height should be controlled reasonably to prevent package damage and powder leakage. As a professional sodium silicate powder supplier, we recommend standardized dry storage and regular stock inspection to ensure long-term product quality for customers who buy sodium silicate powder in bulk.

Frequently Asked Questions

What is the CAS number and chemical formula of your product?

The CAS number of powdered potassium silicate is 1312-76-1, and its general chemical formula is K₂O·nSiO₂.

Can you provide customized modulus potassium silicate powder?

Yes. We support customized modulus and technical specifications to meet diverse downstream production demands. Whether for fine chemical processing, agricultural fertilizer production or refractory material manufacturing, we can tailor-make qualified industrial potassium silicate powder according to customer requirements.

Is your bulk potassium silicate powder high purity with low impurities?

Absolutely. Our powdered potassium silicate is produced through high-temperature fusion, multi-stage filtration and ultrafine grinding processes, with ultra-low heavy metal and insoluble impurity content. It features stable alkalinity and high chemical activity, fully meeting the high-standard production requirements of fine chemicals and high-grade coatings.

Do you support stable long-term bulk supply and fast delivery?

Yes. As a reliable potassium silicate powder factory, we have complete production lines and sufficient inventory reserves. We can support stable large-scale bulk supply of powdered potassium silicate all year round, with flexible delivery cycles and complete export certification, serving global customers’ bulk procurement and OEM demands.

How is your potassium silicate powder different from liquid potassium silicate?

Compared with liquid potassium silicate, our potassium silicate in powder form has higher active ingredient concentration, no liquid leakage risk, lower transportation and storage costs, and longer storage life. It is more suitable for long-distance transportation, long-term sealed storage and automated factory batching.

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