White carbon ( silica hydrated)
Index sign name | target |
SiO2,% ≥ | 90 |
color better than， | 95 |
residue on sieve(45μm),% | 0.5 |
The heating reduces the deal,% | 4.0-8.0 |
residue on ignition,% | 7.0 |
PH | 5.0-8.0 |
DBP absorb worth,cm3/g | 2.00-3.50 |
