Conventional Precipitated Silica
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Conventional Silica |
Easy Dispersible Silica |
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Item |
Unit |
Test Method |
SG-160 |
SG-180 |
SG-160 GR |
SG-180 GR |
SG-160 MP |
SG-180 MP |
|
Appearance |
|
|
white powder |
white powder |
white granules |
white granules |
white micro pearl |
white micro pearl |
|
BET |
m2/g |
ISO 9277 |
150-170 |
170-190 |
150-170 |
170-190 |
150-170 |
170-190 |
|
SiO2 content ( Dry basis) |
% |
ISO 3262-19 |
≥97 |
≥97 |
≥97 |
≥97 |
≥97 |
≥97 |
|
Loss on drying (2h at 105℃) |
% |
ISO 787-2 |
4.0-8.0 |
4.0-8.0 |
4.0-8.0 |
4.0-8.0 |
4.0-8.0 |
4.0-8.0 |
|
Ignition Loss ( Dry basis) |
% |
ISO 3262-1 |
≤7.0 |
≤7.0 |
≤7.0 |
≤7.0 |
≤7.0 |
≤7.0 |
|
PH value (5% in water) |
- |
ISO 787-9 |
6-7 |
6-7 |
6-7 |
6-7 |
6-7 |
6-7 |
|
DBP |
cm3 /g |
ASTM D 6854-03 (E) |
2.0-3.5 |
2.0-3.5 |
2.0-3.5 |
2.0-3.5 |
2.0-3.5 |
2.0-3.5 |
|
Sieve residue 45μm |
% |
ISO 3262-19 |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.5 |
|
Soluble salts ( Na2SO4 ) |
% |
MOD ISO 787-8 |
≤1.5 |
≤1.5 |
≤1.5 |
≤1.5 |
≤1.5 |
≤1.5 |
|
Fe content |
mg/kg |
ISO 5794-1 |
≤300 |
≤300 |
≤300 |
≤300 |
≤300 |
≤300 |
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