Silica Sand
Processed for controlled purity and particle distribution, Silica provides hardness, reinforcement, and chemical stability across coatings, polymers, rubber, adhesives, construction mortars, and foundry formulations.
Product Overview: High-Purity Industrial Silica
Silica (Silicon Dioxide, SiO₂) is an ultra-hard, chemically inert mineral processed for precise granulometry, low iron impurities, and high thermal stability. Serving as an essential raw material and functional mineral filler, Silica enhances mechanical strength, abrasion resistance, and dimensional integrity across glass manufacturing, foundry cores, industrial coatings, polymers, adhesives, and construction chemistry.
Its high Mohs hardness of 7.0 and extreme chemical inertness protect formulations from severe wear, acid exposure, and thermal shock. In glass and foundry systems, its high refractory melting point and consistent grain shape support uniform casting and optical purity; in polymers and coatings, precision-classified silica flours act as powerful reinforcing agents with minimal resin demand.
Key Benefits
High Hardness
Supports superior abrasion resistance and wear tolerance in heavy-duty formulations.
Good Reinforcement
Improves structural performance, tensile modulus, and mechanical load bearing.
Chemical Stability
Maintains reliable functionality resistant to chemical attack and environmental corrosion.
Controlled Particle Size
Promotes consistent dispersion, low resin demand, and uniform packing density.
Dimensional Stability
Supports shape retention with extremely low coefficient of thermal expansion.
Thermal Resistance
Withstands extreme temperatures without degradation, ideal for foundry cores and refractories.
Applications
Glass & Glassware Manufacturing
Foundry Casting Molds & Cores
Paints & Protective Coatings
Construction Chemicals & Mortars
Technical Specifications
| Parameter | Glass Premium | Glass Standard | Foundry Grade | Fracking Sand | Construction |
|---|---|---|---|---|---|
| Silica (SiO2) | 99.6% | 99.2% | 98.5% | 97.5% | 94.0% |
| Iron Oxide (Fe2O3) | 0.018% | 0.040% | 0.085% | 0.180% | 0.450% |
| Alumina (Al2O3) | 0.12% | 0.25% | 0.55% | 0.95% | 2.50% |
| Titanium (TiO2) | 0.015% | 0.025% | 0.045% | 0.085% | 0.150% |
| Grain Shape | Rounded | Rounded | Sub-angular | Sub-rounded | Angular |
| Moisture Content | < 0.1% | < 0.2% | < 0.3% | < 0.5% | < 2.0% |
| AFS Clay Content | < 0.1% | < 0.2% | < 0.3% | < 0.5% | < 1.5% |
| Mesh Size | 30-50 Mesh | 40-70 Mesh | 50-100 Mesh | 20-40 Mesh | Coarse |
Why Choose Us?
High SiO₂ Purity (≥ 98.5%)
Processed from selected silica deposits ensuring minimal iron (Fe₂O₃ < 0.03%) for crystal-clear glass and coatings.
Multi-Screen Grading
Classified through vibrating multi-deck screens to provide precise AFS fineness and narrow grain distribution.
Low Resin Absorption
Controlled round-to-subangular grain morphology minimizes binder consumption in foundry and epoxy systems.
Reliable Bulk Supply
Bulk shipments in 50 kg moisture-proof HDPE bags and 1 MT jumbo bags with guaranteed delivery schedules.