Potassium silicate lumps colorless glassy transparent solid in HDPE bag with CAS 1312-76-1 for welding electrode binder

Solid Potassium Silicate Modulus 3.9-4.0

Premium potassium silicate lumps, solid potassium silicate modulus 3.9-4.0 supplied by top solid potassium silicate supplier Sanlee Chemical, featuring superior water resistance and binding performance. Widely applied in welding rod production, inorganic protective coatings, refractory binders and fireproof chemicals. Custom grades supported by experienced chemical manufacturer & worldwide exporter.

Model Numbe

WNF-KS39

Other Names

Potash Water Glass Solid, Soluble Potassium Silicate, Potassium Metasilicate Solid, Silicic Acid Potassium Salt Solid

Molecular Formula

K2O3Si

CAS No.

1312-76-1

EINECS No.

215-199-1

Grade Standard

Industry Grade

Place of Origin

Hebei Province, China

Product Details

What is Solid Potassium Silicate Modulus 3.9-4.0?

 

Solid potassium silicate lumps is a high-modulus anhydrous inorganic silicate material with excellent high-temperature stability and bonding properties, widely used in high-end refractory, inorganic coating and welding electrode industries.

Sanlee Chemical is a professional and reliable solid potassium silicate supplier, dedicated to providing high-purity Solid Potassium Silicate Modulus 3.9-4.0 with stable and reliable chemical performance.

Our premium potassium silicate lumps and potassium silicate granules feature high silicon-oxygen ratio and superb physical properties. As a reputable solid potassium silicate supplier, our customized Solid Potassium Silicate Modulus 3.9-4.0 fully meets the strict production standards of high-temperature industrial manufacturing, and our potassium silicate lumps and potassium silicate granules achieve zero difference in batch quality, winning wide recognition from global industrial clients.

This high-modulus solid silicate material is produced through precise high-temperature fusion, constant-temperature curing and professional crushing processes. It features uniform particle morphology, ultra-low impurity content and stable molecular structure, which is a high-quality essential raw material for refractory binders, fireproof coatings and welding rod manufacturing.

 

Introduction to Solid Potassium Silicate Lumps

Also named solid potassium water glass, potassium silicate lumps is an anhydrous inorganic silicate formed by high-temperature melting and reaction of silica sand and potash without water dilution.

At room temperature, it appears as white or off-white blocky and granular solid. Different from conventional low-modulus potassium silicate, our Solid Potassium Silicate Modulus 3.9-4.0 boasts ultra-high bonding strength, excellent high-temperature fire resistance and stable chemical inertness, adapting to harsh high-temperature working environments.

Our mainstream Solid Potassium Silicate Modulus 3.9-4.0 has a high-standard balanced molar ratio of silica to potassium oxide, with outstanding high-temperature resistance and formula compatibility, perfectly matching the production requirements of refractory materials and inorganic functional coatings. Global manufacturers highly approve our high-modulus solid potassium silicate products for stable batch consistency and superior cost performance.

 

CAS Number

 

CAS No.: 1312-76-1

 

Chemical Formula

 

General chemical formula: K₂O·nSiO₂; Our Solid Potassium Silicate Modulus 3.9-4.0 adopts precisely calibrated high molar ratio of silicon dioxide to potassium oxide, effectively ensuring stable molecular composition and consistent performance of each production batch of products.

 

Core Feature Advantages

 

With unique physical and chemical characteristics, high-modulus anhydrous potassium silicate is perfectly suitable for professional high-temperature industrial application scenarios:

Powerful high-strength bonding capacity: After being dissolved in water, high-modulus solid potassium silicate can form a high-viscosity alkaline binder, which can firmly bond refractory aggregate, mineral powder, inorganic fiber and various industrial fillers, with stronger bonding durability than ordinary low-modulus products.

Excellent high-temperature fireproof performance: It has an ultra-high softening point, non-combustible and excellent heat insulation effect, which is the core raw material for manufacturing high-grade refractory products and inorganic fire retardant coatings.

Stable chemical corrosion resistance: Effectively resists erosion of weak acid, alkali and salt mediums, maintains stable structural performance in harsh industrial environments, and greatly extends the service life of finished products.

Eco-friendly and safe inorganic raw material: No volatile harmful substances, non-toxic and tasteless, harmless to human body and ecological environment, safe for use in building fireproof materials, industrial auxiliary materials and other fields.

Product Display

Potassium silicate granules free flowing uniform particles in container for electrode coating and refractory applications
Solid potassium silicate supplier with manufacturing facility and bulk jumbo bag inventory for global export
Soluble potassium silicate solid loading with jumbo bags being lifted into 20ft shipping container for export shipment

Technical Specifications

ItemsUnitProduct parameters
Apperance/

Irregular glassy lumps, white, light grey or faint pale blue, semi-transparent, no visible contaminants

Modulus(n)/3.9-4.0
SiO₂%70-71
Na₂O%28-29
Bulk Densityg/cm³2.4-2.5

pH Value (1% Aqueous Solution, 25℃)

/11-13

Ultra-High Modulus & Stable Molecular Structure

Our modulus 3.9-4.0 potassium silicate lumps feature a high and precise silicon-potassium molar ratio, far superior to conventional low-modulus potassium silicate products.

Exceptional High-Temperature Resistance & Fireproof Performance

As a premium anhydrous inorganic silicate material, high-modulus potassium silicate lumps own an ultra-high softening point and outstanding non-combustible and heat-insulating properties.

Powerful Bonding Strength & Excellent Formula Compatibility

Modulus 3.9-4.0 potassium silicate lumps have fast water solubility and ultra-strong adhesive force after dissolution, capable of tightly bonding refractory aggregates, mineral powders, inorganic fibers and various industrial fillers.

Eco-Friendly & Multi-Scenario Industrial Adaptability

Our potassium silicate lumps are non-toxic, tasteless and free of volatile harmful substances, belonging to green and safe inorganic raw materials.

Solid Potassium Silicate Modulus 3.9-4.0 Application

Our modulus 3.9-4.0 potassium silicate lumps are our premium high-modulus anhydrous potassium silicate products. Leveraging the superior high-temperature resistance, strong bonding performance and stable chemical inertness of potassium silicate lumps, it covers these core industrial fields:
 

• High-Grade Refractory & Foundry Industry

 
Act as high-performance high-temperature binder for high-grade refractory castables, industrial furnace lining materials and precision foundry coatings. It effectively improves the high-temperature structural strength and thermal stability of refractory products, optimizes mold shaping performance, and enhances the surface finish and yield of castings under extreme working conditions.
 

• Welding Electrode & Welding Material Industry

 
Essential core raw material for high-quality welding electrode coating flux. It serves to stabilize welding electric arc, uniform welding heat distribution, promote efficient slag removal, and significantly improve the compactness and mechanical stability of welding seams, greatly upgrading overall welding quality.
 

• Inorganic Fireproof & Anticorrosive Coating Industry

 
Premium inorganic binder dedicated to high-temperature fireproof coatings, industrial anticorrosion mineral coatings and weather-resistant inorganic water-based paints. It provides excellent fire retardancy, high-temperature insulation, waterproof and anti-corrosion properties, greatly improving the durability and safety of coating layers in harsh industrial environments.
 

• Building Fireproof & Waterproof Engineering Industry

 
Used as professional inorganic waterproof agent, fireproof filler and structural densifier for special building materials. Widely applied in fireproof mortar, high-temperature resistant building coatings, underground tunnel waterproof grouting and special concrete curing, enhancing building fire resistance and structural compactness.
 

• Agricultural Silicon-Kalium Fertilizer Industry

 
High-purity soluble potassium silicate lumps feature fast water solubility, providing crops with easily absorbable silicon and potassium trace elements. It effectively strengthens plant stalk toughness, improves crop lodging resistance, disease resistance and stress resistance, and promotes healthy crop growth and yield improvement.
 

• Ceramic & Industrial Glaze Industry

 
High-efficiency auxiliary flux and glaze modifier for ceramic blanks and high-temperature glazes. It lowers ceramic firing temperature, saves production energy consumption, optimizes glaze fluidity, and significantly improves ceramic surface smoothness, gloss and overall firing yield.
 

• Environmental Protection & Ecological Treatment Industry

 
Applied as efficient soil stabilizer, mine dust suppression agent and heavy metal fixing agent. It is widely used for mine site environmental renovation, industrial wastewater heavy metal immobilization and foundation soil reinforcement, achieving safe and eco-friendly industrial environmental treatment.
 
For more about sodium silicate application, please visit our facebook page, Instagram page, and youtube page.

Packaging and Storage

Packaging

Our potassium silicate glass is packed in ton bags for convenient transportation and storage. 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 sodium 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 the appearance and specification of your potassium silicate lumps?

Our potassium silicate lumps present white or off-white block/granular solid with uniform particle size and ultra-low impurity content. The strictly controlled modulus 3.9-4.0 ensures stable batch consistency, no agglomeration and reliable physical and chemical properties for long-term storage.

How does high-modulus potassium silicate differ from ordinary low-modulus potassium silicate?

High-modulus 3.9-4.0 potassium silicate lumps have higher silica content, stronger high-temperature fire resistance, better corrosion resistance and more stable bonding durability. It is suitable for harsh high-temperature industrial working conditions, while low-modulus products are mostly used for conventional general industrial scenarios.

Can you provide customized specifications for potassium silicate lumps?

Yes. As a professional solid potassium silicate supplier, Sanlee Chemical supports customized modulus, particle size and packaging specifications. We can adjust product indicators according to customers’ specific production formulas and application scenarios to achieve targeted use effects.

What is your product quality and delivery guarantee?

We adopt strict high-temperature fusion production technology and complete quality testing system. All modulus 3.9-4.0 potassium silicate lumps are inspected batch by batch to ensure stable performance. With sufficient stock and mature export experience, we can provide stable supply and on-time delivery for global customers.

Does this product have environmental and safety risks?

No. It is made of pure inorganic raw materials, non-toxic, odorless and pollution-free. It complies with global industrial environmental protection and safety standards. No harmful substances will be released during processing and use, so it is a safe and eco-friendly industrial raw material.

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