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
Technical Bulletin
|
Silica Specification |
|
|
Parameters |
Result |
|
SiO2 |
>99.3 % |
|
Fe2O3 |
300 ppm Max |
|
Al2O3 |
2500 ppm Max |
|
CaO |
250 ppm Max |
|
MgO |
50 ppm Max |
|
Clay |
0.3 % Max |
|
CaCo3 |
0.5 % Max |
|
Moisture |
<0.1 % Max |
|
Loss on Ignition |
<0.3 % Max |
|
pH |
Neutral |
|
Bulk Density |
1.56 Appr. |
|
Density |
2.65 gm/cc |
Product Label
