Silica SpecificationCAS NO: | 10279-57-9 |
EC NO: | 238-878-4 |
MF: | SiO2 |
Port | China port |
Appearence | white granular |
Grade | rubber auxiliary /food grade |
Purity | 90-98% min |
Appearance | Micron pearl/ Granula/powder |
SiO2 (ignited basis) % | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 |
SiO2 content ( SiO2 (dried basis) % | ≥90 | ≥90 | ≥90 | ≥90 | ≥90 | ≥90 | ≥90 |
Specific surface area | 115±10 | 130±10 | 155±10 | 175±10 | 195±10 | 215±10 | 175±10 |
Drying loss(105) % | 4--8 | 4--8 | 4--8 | 4--8 | 4--8 | 4--8 | 4--8 |
Ignition loss(1000) % | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 |
PH value | 6.0--7.5 | 6.0--7.5 | 6.0--7.5 | 6.0--7.5 | 6.0--7.5 | 6.0--7.5 | 6.0--7.5 |
Sulfate% | ≤2 | ≤2 | ≤2 | ≤2 | ≤2 | ≤2 | ≤2 |
DBP absorption value cm3/100g | 150-280 | 150-280 | 150-280 | 150-280 | 150-280 | 150-280 | 150-280 |
Sieve residue | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.1 |
on 325 mesh% |
Bulk density g/l | ≥200 | ≥200 | ≥200 | ≥200 | ≥200 | ≥200 | ≥80 |
Particle size(D50) um | ≥250 | ≥250 | ≥250 | ≥250 | ≥250 | ≥250 | |
Silica SpecificationSilica widely used in industry as an additive,catalyst carrier,petroleum chemical industry,decolorizing agent,Matting agent,rubber reinforcing agent, plastic filling agent, ink thickener, soft metal polishing agent, insulation filler ,food grade gasket etc.
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