Application: | Making Fused Silica Sand or Powder |
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Type: | Fused Silica Lumps |
Sio2: | >99.9% |
Fe2o3: | <0.003% |
Xrd Test Result: | Amorhous |
Transport Package: | Plastic Woven Bag, Paper Bag, Big Bag, Pallet |
Samples: |
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Customization: |
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1. | Physical Properties | ||
1.1 | Composition | SiO2 | |
1.2 | Structure | Amorphous | |
1.3 | Colour | Transparent or white | |
1.4 | Melting Temperature | approx.1750ºC | |
1.5 | Specific Gravity | 2.21g/cm3 | |
1.6 | Hardness | 7 Mohs | |
1.7 | Thermal Expansion | 0.5*10-6 | |
2. |
Chemical Properties |
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Grade A 30-50mm | |||
2.1 | SiO2 | >99.9% | |
2.2 | Al2O3 | <100ppm | |
The finer the power,the higher the Al2O3,as powder is produced by ball mill with Alumina ball. | |||
2.3 | Fe2O3 | <30ppm for grains | |
2.4 | CaO | <15ppm | |
2.5 | Na2O | <15ppm | |
2.6 | K2O | <15ppm |
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