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Silica sand is a naturally occurring granular material composed mainly of silicon dioxide (SiO₂), usually in the form of quartz. It is one of the most abundant minerals on Earth and is valued for its hardness, chemical purity, uniform grain size, and high melting point.
Silica sand is an essential raw material used across construction, glass, foundry, ceramics, filtration, oil & gas, and industrial manufacturing sectors.
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| Silica Sand Type | Chemical Composition | Physical Properties | Color & Clarity | Testing Standards |
|---|---|---|---|---|
| Glass-Making Sand | ≥ 99.5% SiO₂ | Fine, uniform grains, high purity | White, colorless, clear | ISO 22436, ASTM C128 |
| Foundry Sand | 95–99% SiO₂ | Coarse, angular, high permeability | Tan to light brown | ISO 22436, AFS 5220-00 |
| Frac Sand | ≥ 99% SiO₂ | Spherical, high crush resistance | Milky white, clear | API RP 19C, ISO 13503-2 |
| Filter Sand | > 95% SiO₂ | Rounded, size-graded, acid-resistant | Off-white to beige, clear | ISO 9300, ASTM D2419 |
| Abrasive Sand | > 95% SiO₂ | Coarse, angular, high hardness | Grey to brown, opaque | ISO 11126-1, ASTM D1845 |
| Construction Sand | 80–95% SiO₂ | Variable size, shape, impurities | Tan, brown, reddish | ISO 6791, ASTM C33 |
| Specialty Sands | > 95% SiO₂ | Washed, sterilized, non-compacting | Pure white / light beige | ISO 9300, ASTM D2419 (Custom) |
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