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1. Quartz Properties: quartz is the most common silica mineral, its main content is SiO2, specific density 2.65g/cm3, hexagon crystal, lump or powder form. Appearance color: colorless, white, cyan gray.
2. Main applications: quartz sand (powder) mainly applied in the industries of glass, refractory, ceramic, casting, petroleum, chemical, abrasive etc.
3. Quartz Specification
Specifications Used in Glass Industry:
|
Quartz Grade |
SiO2 |
Al2O3 |
Fe2O3 |
TiO2 |
Cr2O3 |
Remark |
|
NO.1 |
99 |
0.5 |
0.05 |
0.05 |
0.001 |
Used in special glass |
|
NO.2 |
98 |
1.0 |
0.1 |
Used in industrial and senior glass product |
||
|
NO.3 |
96 |
1.5 |
0.5 |
Used in colored glass |
||
|
NO.4 |
95 |
3.0 |
0.5 |
Used in colored glass |
Specifications Used in Ceramic Industry
|
Use & Index |
SiO2 |
Fe2O3 |
Al2O3 |
K2ONa2O3 |
CaO |
MgO |
|
Electrotechnical porcelain |
99.5 |
0.01 |
0.2 |
0.1 |
0.1 |
0.1 |
|
Construction and household ceramics |
98.5 |
0.1 |
Specifications Used in Metallurgy Industry
|
Use & Index |
SiO2 |
Al2O3 |
Fe2O3 |
CaO |
P2O5 |
TiO2 |
Refractoriness |
|
Ultra Grade Silica Brick |
≥98.5 |
≤0.5 |
≤0.5 |
≤0.5 |
1750 degree celsius |
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|
NO.1 grade silica brick |
≥98.0 |
≤1.0 |
≤1.0 |
≤0.5 |
1730 degree celsius |
||
|
NO.2 grade silica brick |
≥97.0 |
≤1.5 |
≤1.5 |
≤1.5 |
1710 degree celsius |
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|
NO.1 grade Silica Iron |
≥97.5 |
≤1.0 |
≤0.3 |
≤0.02 |
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|
NO.2 grade Silica Iron |
≥96.5 |
≤1.5 |
≤1.0 |
≤0.03 |
4. Sizes: 4-6mesh, 6-10mesh, 10-20mesh, 40-70mesh, 100-200mesh, 270mesh, 325mesh, 400mesh, 500mesh, 800mesh, 1250mesh etc
