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1. specification of silicon dioxide
silicon dioxide/ sio2/white carbon black/silica | |
CAS NO. | 7631-86-9 |
MF | Sio2 |
Purity | 90% |
Appearance | White powder ,white nubby , granular |
Application | Robber products,Agricultural Chemistry, daily life, paper industry and so on |
Price | |
Payment | TT/ or L/C |
Port | Qingdao |
MOQ | 1MT |
Sample | available |
2. Quality Specification:
Precipitated Silica | ||
Standar HG/T3066-3073-1999 | ||
Item | specification | |
180 | 160 | |
SiO2 content,% | ≥90 | |
colour | Better than, equal to the standard sample | |
Residue (45um)% | ≤0.1 | |
Heating loss% | 5.0-6.0 | 5.17 |
Loss on ignition% | ≤6.0 | ≤5.63 |
PH value | 6.0-7.0 | 6.90 |
Total iron content (mg / Kg) | ≤300 | ≤285 |
DBP absorption (cm3 / g) | 2.30-3.00 | 2.50 |
Surface area (m2 / g) | 170-200 | 156 |
Sulfate% | ≤0.3 | ≤0.7 |
Average particle size (um) | 10.0-15.0 | |
3.the picture of silicon dioxide:
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2012 china best seller 90% silicon dioxide for Ceramic grade