silica fumed Silicon Dioxide
Other Names : Silicon dioxide
Item | Test Standard |
Product type | HX-150 |
Specific surface area( ㎡/g) | 150±15 |
Determination of PH value of an aqueous suspension(4%) | 3.6-4.5 |
Loss on drying 105deg.C (m/m %) | ≤1.5 |
Loss on ignition(dry product)1,000deg.C (m/m %) | ≤2.5 |
Sieve residue(m/m %) | ≤0.05 |
Apparent density( g/L) | 25-60 |
SiO2 content (m/m %) | ≥99.8 |
Carbon content (m/m %) | ≤0.2 |
Fe content (ppm) | ≤7 |
Average particle size | 14 |
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