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SanLee-China Sodium Silicate Factory

Liquid Potassium Silicate Modulus 3.9-4.0

High-purity modulus 3.9-4.0 potassium silicate liquid with balanced SiO₂-K₂O ratio, stable alkalinity and low impurities. This premixed liquid silicate mixes easily with most chemical additives, widely applied in construction hardeners, welding coatings, fireproof materials, industrial cleaning agents, precision casting and agricultural nutrient additives.

Model Numbe

WNF-PL39

Other Names

Potassium Water Glass , Potassium Silicate Solution,

Molecular Formula

K₂O·nSiO₂

CAS No.

1312-76-1

EINECS No.

215-199-1

Grade Standard

Industry Grade

Place of Origin

Guangzhou,China

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Product Details

What is Liquid Potassium Silicate Modulus 3.9-4.0?

Potassium silicate liquid, also known as liquid potassium water glass, is a high-purity liquid inorganic silicate raw material widely utilized in advanced chemical, industrial manufacturing, construction and new material sectors worldwide.

As a professional liquid potassium silicate factory, Sanlee Chemical specializes in the production and wholesale of premium-grade silicate products, acting as a reliable global supplier to support bulk and customized orders for clients who seek to wholesale liquid potassium silicate with stable quality and competitive pricing.

Our potassium silicate liquid is produced through precise high-temperature fusion, scientific ratio calibration, filtration purification and static aging treatment. With strictly controlled chemical indicators, low impurity content and stable molecular structure, this liquid potassium water glass features excellent water solubility, superior film-forming performance and outstanding chemical compatibility with various additives. All batches are produced in strict accordance with industrial standards, and we can provide complete technical documents including liquid potassium silicate MSDS to support customers’ production inspection, safety management and export declaration work.

Introduction to Potassium Silicate Liquid

Potassium silicate liquid is a hydrated liquid silicate formed by dissolving potassium silicate raw materials through high-temperature reaction and precise concentration adjustment. Under standard room temperature and atmospheric pressure, it appears as transparent or slightly pale yellow homogeneous liquid, with no precipitation, no layering and stable properties. Compared with solid silicate products, it requires no secondary dissolution, features convenient operation, zero dust pollution and easy storage and transportation, greatly improving industrial production efficiency.

Our premium potassium silicate liquid adopts a scientific silica-potassium oxide molar ratio, with moderate viscosity, stable alkalinity and strong reactivity. It outperforms traditional sodium silicate liquid in high-temperature resistance, anti-corrosion performance and film-forming toughness, making it suitable for high-standard industrial scenarios.

Supported by the standardized production system of our liquid potassium silicate factory, the product maintains consistent batch stability, high cost performance and flexible packaging solutions, winning long-term trust from global manufacturers for bulk wholesale and customized procurement of wholesale liquid potassium silicate.

CAS Number

CAS No.: 1312-76-1

Chemical Formula

General chemical formula: K₂O·nSiO₂; Our potassium silicate liquid features accurately calibrated silicon dioxide and potassium oxide molar ratio. The uniform molecular structure ensures stable product performance in every batch, effectively avoiding reaction fluctuations and quality deviations in downstream industrial production, and fully meets the supporting production demands of various high-precision manufacturing industries.

Product Display

Technical Specifications

Items	Unit	Product parameters
Apperance	/	Colorless and transparent liquid
Modulus(n)	/	3.9-4.0
Total Content (K₂O + SiO₂)	%	26.45-30.84
SiO₂	%	19-22
K₂O	%	7.45-8.84
pH Value (1% Aqueous Solution, 25℃)	/	11-13
Density（25°C）	g/cm³	1.16-1.19
Water Insoluble Substances	%	＜0.03

Key Features

Superior & Stable Chemical Performance

Our liquid potassium silicate features a scientifically calibrated silica-potassium oxide ratio, ultra-low impurity content and uniform molecular structure across all batches.

Effortless Application & High Production Efficiency

Different from solid silicate products that require secondary dissolution, our liquid potassium silicate is a ready-to-use homogeneous solution with excellent fluidity and compatibility.

Powerful Functional & Industry-Specific Adaptability

This premium liquid potassium silicate integrates high-strength bonding, dense film-forming, fireproof insulation and anti-corrosion properties, supporting versatile industrial applications.

Eco-Friendly & High Cost-Effectiveness

Our potassium silicate liquid produces no secondary pollution during use, fully meeting global environmental protection and emission reduction requirements.

Liquid Potassium Silicate 3.9-4.0 Modulus Application

As a high-performance liquid silicate product, our potassium silicate liquid possesses excellent bonding, film-forming, fire-resistant, anti-corrosion and catalytic properties. It covers diversified high-end industrial application scenarios, with core usage fields detailed as below:

• Welding Electrode Manufacturing Industry

It is the core raw material specially used for liquid potassium silicate for welding electrodes, serving as an essential flux and coating binder for various welding rods and welding electrodes. In welding electrode production, this high-stability potassium silicate liquid can firmly bond electrode coating materials, effectively improve the high-temperature crack resistance and thermal stability of electrode coatings.

It stabilizes the electric arc during welding, reduces welding spatter, enhances weld forming quality, and improves the high-temperature strength and oxidation resistance of welding seams. Relying on reliable product quality, our liquid potassium silicate for welding electrodes has become a preferred material for many professional welding electrode manufacturers worldwide, with complete liquid potassium silicate MSDS and technical support to guarantee standardized production.

• Construction & Building Materials Industry

It acts as a high-efficiency waterproof agent, concrete hardener, fireproof coating binder and construction surface sealing agent. When applied to concrete and building base layers, potassium silicate liquid can penetrate deep into the base material, react with internal components to form dense silicate crystals, significantly improving the hardness, compactness, impermeability and wear resistance of concrete floors, bridge decks, underground facilities and building exterior walls. It is also widely used in fireproof mortar, inorganic thermal insulation materials and building dust suppression treatments, effectively enhancing the overall fire resistance and durability of building structures.

• Fireproof Coating & New Material Industry

As a key film-forming and fire-resistant raw material for inorganic fireproof coatings and high-temperature resistant materials, potassium silicate liquid can form a dense and tough protective film on the surface of substrates such as steel structures, wood and building materials. When encountering high temperature, it expands and carbonizes to form a heat-insulating fireproof layer, which can effectively isolate oxygen and heat, prevent substrate combustion and high-temperature oxidation, and greatly improve the fire resistance grade of industrial and civil building materials.

• Fine Chemical Manufacturing Industry

It is a fundamental raw material for the synthesis of silica sol, high-purity silica gel, potassium-based molecular sieves, inorganic adsorbents and fine chemical additives. The stable chemical properties of our potassium silicate liquid ensure sufficient and uniform chemical reaction in the synthesis process, improve product yield and finished product purity, and reduce raw material waste and secondary pollution. It is widely used in catalyst carrier preparation, chemical purification and fine inorganic material production.

• Foundry & Refractory Materials Industry

Serving as a high-performance environmental-friendly binder for precision casting and refractory materials, potassium silicate liquid can be directly mixed with refractory aggregates and casting sand without pre-dissolution. It features fast curing speed and high bonding strength, which can significantly improve the compactness and high-temperature structural stability of casting molds and refractory linings, reduce casting defects and product rejection rates, and is suitable for high-temperature kiln refractory bricks, thermal insulation castables and precision investment casting production.

• Environmental Protection & Water Treatment Industry

Applied in industrial wastewater heavy metal removal, river and lake sediment solidification, landfill anti-seepage treatment and industrial dust suppression. Potassium silicate liquid can react with heavy metal ions in wastewater to form stable insoluble precipitates, realizing efficient sewage purification. Its non-toxic and environmentally friendly inorganic composition will not cause secondary pollution, fully complying with global environmental protection and emission reduction standards.

• Agriculture & Industrial Auxiliary Industry

It can be used as a high-efficiency silicon-potassium nutrient additive for agricultural foliar fertilizers, improving crop stress resistance and growth quality. In addition, it serves as a stabilizing auxiliary agent for industrial detergents and cleaning agents, which can soften water quality, chelate metal ions, stabilize surfactant systems and enhance overall cleaning and anti-corrosion effects.

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Packaging and Storage

Packaging

Our liquid potassium silicate solution adopts standard industrial packaging, including 25kg plastic drums, 200kg iron drums and 1000kg IBC tote tanks, and supports customized packaging according to customer needs. All packaging containers are sealed and leak-proof, which can effectively avoid product leakage and pollution during transportation. As a professional sodium silicate supplier, we support flexible packaging and bulk shipping for global customers.

Storage

Store the industrial potassium silicate in a cool, dry and ventilated warehouse, keep away from high temperature, direct sunlight and freezing environment. The ambient storage temperature is controlled at 5℃-35℃. Sealed storage is required after opening to prevent water evaporation and surface crystallization. Under standard storage conditions, the product shelf life is 12 months. It is forbidden to mix with acid substances to avoid chemical reaction and product deterioration.

Frequently Asked Questions

What is potassium silicate liquid used for?

Potassium silicate liquid is a multi-functional inorganic silicate raw material widely used in welding electrode manufacturing, construction reinforcement, fireproof coating production, fine chemical synthesis, environmental water treatment and refractory material processing. Notably, it is the exclusive core material for liquid potassium silicate for welding electrodes, which stabilizes welding arcs and improves electrode coating performance.

Do you support wholesale liquid potassium silicate bulk orders?

Yes. We are a professional liquid potassium silicate factory with complete production lines and sufficient inventory. We fully support bulk wholesale liquid potassium silicate orders, customized modulus and packaging specifications, and provide factory direct supply with competitive prices for global industrial manufacturers.

Can you provide liquid potassium silicate MSDS and related certification documents?

Absolutely. We can provide official MSDS of liquid potassium silicate, product inspection reports, factory qualification certificates and other complete technical and certification documents. All documents meet international export standards, supporting customers’ factory inspection, safety management and customs declaration procedures.

Why is potassium silicate liquid preferred for welding electrode production?

Liquid potassium silicate has stable alkalinity and excellent bonding and film-forming properties. It can firmly bond electrode coating materials, improve high-temperature thermal stability of coatings, stabilize welding arcs, reduce welding spatter, and optimize weld molding effect. It is an irreplaceable high-quality auxiliary material for high-standard welding electrodes.

Does your liquid potassium silicate have low impurity content?

Yes. Our products are produced through high-temperature fusion and multi-stage precision filtration processes, with ultra-low heavy metal and insoluble impurity content. The batch indicators are stable, which can effectively avoid product defects and reaction fluctuations in downstream production, meeting the production requirements of high-precision fine chemicals and high-end industrial products.

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