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| Chemical composition,
% |
| Silica Sand |
SiO2 |
TiO2 |
Al2O3 |
Fe2O3 |
CaO |
MgO |
K2O |
Na2O |
Loss on ignition |
| Grade 1 |
54-59 |
0.9-1.2 |
41-41.5 |
1.0-1.2 |
0.27-0.35 |
0.19 |
0.28-0.4 |
0.19-0.2 |
13.35-13.6 |
| Grade 2 |
56-60 |
0.8-1.1 |
40-41 |
1.2-1.5 |
0.27-0.35 |
0.18 |
0.85 |
0,16-0,2 |
13.16-13.4 |
| Grade 3 |
60-65 |
0.77-0.9 |
37-39 |
1.3-1.7 |
0.20-0.3 |
0.20 |
0.69 |
0.14-0.18 |
11-12.5 |
|
| Particle-size distribution,
% |
| Silica Sand |
Residue %, µm, (fraction) |
| |
>250 |
250-50 |
50-10 |
<10 |
| Grade 1 |
0.2 |
0.96 |
2.9 |
95.94 |
| Grade 2 |
0.06 |
2.1 |
4.5 |
93.35 |
| Grade 3 |
1.4 |
7.7 |
7.8 |
83.1 |
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| Silica Sand Applications : |
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Porcelain |
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* |
Ceramics |
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* |
Glass |
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