Silica Sand
Description:
The silica sand for glass (with Silica powder), also
known as quartz sand.It is a hard, wear-resistant, chemical stability
of minerals, the main mineral component is quartz, the main chemical
ingredient is SiO2, the color of the powder is white or colorless.
Applications:
The
silica sand for foundries mainly used in metallurgy, glass making,
enamel,foundry,water filtration, chemical industry, sand blasting,
refractory, ceramic industry,precision casting,cat litter sand,sodium silicate.
Physical and Chemical Indexes of silica sand:
|
Item |
Unit |
Silica sand |
Crystal Silica |
White silica sand |
Silica fine |
|
SiO2 |
% |
>98.5 |
>99.6 |
>93 |
>99 |
|
Mohs hardness |
/ |
7 |
7 |
7 |
8 |
|
Refractoriness |
℃ |
1750 |
1750 |
1750 |
1750 |
|
Bulk density |
g/cm³ |
2.65 |
2.65 |
2.65 |
2.6 |
|
Particle size |
mesh |
325-1250 |
|
Whiteness |
% |
85-99 |
