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Sodium Silicate Powder Suppliers

Powdered sodium silicate is a white or slightly yellowish powder known for its high purity, good solubility, and excellent adhesive properties. It is an important additive in industries such as building materials, ceramics, and textiles, significantly enhancing the strength and durability of products. 

Additionally, it is widely used in detergents and fireproof coatings, improving the performance of these products. Storage and transport of powdered sodium silicate are relatively straightforward, but it should be kept dry and away from contact with acidic substances.

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Tongxiang Hengli Chemical Co., Ltd.
Tongxiang Hengli Chemical Co., Ltd. specializes in the production of inorganic silicon products, we are China Sodium Silicate Powder Suppliers and Custom Sodium Silicate Powder Factory, our products with more than 30 product varieties including sodium silicate, potassium silicate, lithium silicate, silica sol, potassium methyl silicate, and inorganic high-temperature resistant adhesives. We provide OEM processing, welcome to contact us to customize various moduli and concentrations Sodium Silicate Powder.
The company relocated as a whole to the Fengming Economic Development Zone in Tongxiang City in 2015, covering an area of 18 acres with a building area of nearly 30000 square meters. The company has one national-level technical personnel and three senior technical personnel.
Integrate product development, production, and sales! The product is widely used in industries such as electronics, clothing and papermaking, agriculture, water-based coatings, sand casting, precision casting, and refractory materials. We sincerely welcome cooperation with you to create a better future together!
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Sodium Silicate Powder Industry knowledge

How Powder Sodium Silicate Enhances Adhesive and Binder Performance in Industrial Applications

Powder sodium silicate (Na₂SiO₃), also known as water glass or soluble glass, is a versatile inorganic compound widely used in industrial adhesives and binders. Its unique chemical properties—including high alkalinity, thermal stability, and strong binding capabilities—make it a valuable additive in various manufacturing processes. 

1. Key Properties of Powder Sodium Silicate

Powder sodium silicate contributes to adhesives and binders due to its:
High Binding Strength: Forms strong silicate networks when cured.
Thermal Resistance: Withstands high temperatures, making it suitable for refractory applications.
Alkaline Nature: Improves adhesion to polar surfaces like metals, glass, and ceramics.
Water Solubility: Allows easy mixing and application before hardening.
Fast Setting Time: Accelerates curing in certain formulations.

2. Industrial Applications & Performance Benefits

A. Foundry & Metal Casting Binders
Used as a sand binder in core-making and mold fabrication.
Provides high green strength and thermal stability during metal pouring.
Reduces gas defects in castings due to its low organic content.

B. Construction & Building Materials
Enhances cementitious binders and geopolymer concrete for improved durability.
Acts as a sealant and hardener in refractory coatings.
Used in fire-resistant boards due to its non-combustible nature.

C. Paper & Packaging Adhesives
Serves as a corrugated cardboard binder (alternative to starch-based adhesives).
Offers moisture resistance and strong bonding for packaging materials.

D. Ceramic & Abrasive Manufacturing
Bonds ceramic particles in grinding wheels and refractory products.
Improves thermal shock resistance in high-temperature ceramics.

E. Automotive & Aerospace Composites
Used in high-temperature gaskets and insulation materials.
Enhances fiber-reinforced composites by improving matrix adhesion.

3. Advantages Over Organic Binders

Higher temperature resistance (up to 1000°C+ in refractory applications).
Lower environmental impact (no VOC emissions, non-toxic).
Longer shelf life compared to organic adhesives.
Cost-effective for large-scale industrial use.

4. Challenges & Solutions

Brittleness: Can be modified with polymers (e.g., silica fume, latex) for flexibility.
Moisture Sensitivity: Requires protective coatings in humid environments.
Fast Curing: Adjustable with retarders (e.g., sugars, phosphates) for controlled setting.