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REFRACTORIESBAIYUN group specialize in manufacture and supply refractory and abrasive raw materials, such as white fused alumina, brown fused alumina, tabular alumina, silicon carbide, bauxite and mullite, etc.
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ABRASIVESBAIYUN group specialize in manufacture and supply refractory and abrasive raw materials, such as white fused alumina, brown fused alumina, tabular alumina, silicon carbide, bauxite and mullite, etc.
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METALLURGYBAIYUN group specialize in manufacture and supply refractory and abrasive raw materials, such as white fused alumina, brown fused alumina, tabular alumina, silicon carbide, bauxite and mullite, etc.
Silica Fume
Key words:
Silica Fume
Product Description
|
Chemical composition |
|||||
|
Grade |
SF85 |
SF90 |
SF93 |
SF95 |
SF96 |
|
SiO₂ |
85.05% |
90.4 |
0.93 |
95.21 |
96.33 |
|
Fe₂O₃ |
0.32% |
0.28 |
0.2 |
0.2 |
0.08 |
|
Al₂O₃ |
0.75 |
0.64 |
0.52 |
0.48 |
0.3 |
|
CaO |
0.7 |
0.42 |
0.36 |
0.26 |
0.17 |
|
MgO |
0.73 |
0.46 |
0.2 |
0.2 |
0.16 |
|
Na₂O+K₂0 |
2.1 |
1.9 |
1.5 |
1.3 |
1.2 |
|
C |
0.61 |
0.5 |
0.43 |
0.42 |
0.28 |
|
Moisture Content(H₂O) max |
2.8 |
2 |
2 |
1.5 |
1.2 |
|
Percent Retained |
1.2 |
0.8 |
0.5 |
0.5 |
0.3 |
|
On 45μm (325 sieve) |
|||||
|
L.O.l |
1.5 |
1.2 |
1.02 |
0.97 |
0.89 |
|
Surface (g/m²) |
17~26 |
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|
Bulk density (kg/m³) |
280~700 |
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