Silica
Silica is noncombustible, colorless or white, tasteless "crystals". It occurs naturally in the crystalline and amorphous forms. The specific gravity and melting point depend on the crystalline form. Silica is known to occur in 17 crystalline phases or modes and five amorphous phases.
Chemical Name: Silicon dioxide
Chemical Formula: SiO2
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Silica Specification |
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|
Parameters |
Result |
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SiO2 |
>99.3 % |
|
Fe2O3 |
300 ppm Max |
|
Al2O3 |
2500 ppm Max |
|
CaO |
250 ppm Max |
|
MgO |
50 ppm Max |
|
Clay |
0.3 % Max |
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CaCo3 |
0.5 % Max |
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Moisture |
<0.1 % Max |
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Loss on Ignition |
<0.3 % Max |
|
pH |
Neutral |
|
Bulk Density |
1.56 Appr. |
|
Density |
2.65 gm/cc |
Filler for paints, plastic, epoxy, glassmaking, papers, seed germination, cosmetics, automotive, storage, wood & metal primer, water retardation, powder coating, structural concrete forms, masonry treatment, chromatographic column treatment, wood treatment, powder metal molding, etc.
