SILICA
Details
- Classification:Chemical Auxiliary Agent
- CAS No.:7631-86-9
- Other Names:Precipitated Silica
- MF:SiO2.nH2O
- EINECS No.:231-545-4
- Purity:98% MIN
- Place of Origin:China
- Type:Bulking Agent
- Usage:Coating Auxiliary Agents, Plastic Auxiliary Agents, Rubber Auxiliary Agents
- Brand Name:RICHON
- Model Number:Silica
- Appearance:White powder, granular or pearl
- Product name:Precipitated Silica
- Product name2:Silicon dioxide
- Product name3:White Carbon Black
- Product name4:SiO2
- Specification:
|
Item |
Richon-180P |
Richon-180G |
Richon-180MP |
|
Appearance |
White powder |
White granular |
White micro pearl |
|
BET specific surface area, m2/g |
161-190 |
161-190 |
161-190 |
|
SiO2 content (on dry basis) (Min) ≥ % |
90 |
90 |
90 |
|
SiO2 content (Min) ≥ % |
98 |
98 |
98 |
|
Loss on drying(105℃, 2h), % |
4.0-8.0 |
4.0-8.0 |
4.0-8.0 |
|
Loss on ignition(on dry basis) (Max) ≤ % |
7.0 |
7.0 |
7.0 |
|
pH value |
5.0-8.0 |
5.0-8.0 |
5.0-8.0 |
|
Fe content (Max) ≤ mg/kg |
500 |
500 |
500 |
|
DBP absorption value, cm3/g |
2.00-3.50 |
2.00-3.50 |
2.00-3.50 |
|
Water soluble matters (Max) ≤ % |
2.5 |
2.5 |
2.5 |
|
Particle size |
|
|
|
|
Residue on 45μm sieve (Max) ≤ % |
0.5 |
- |
- |
|
Residue on 80mesh sieve (Min) ≥ % |
- |
75 |
80 |
- Properties: Insoluble in water and acid; soluble in caustic soda and hydrofluoric acid.
- Application: Mainly used as bulking agent of tire, plastic shoes sole, also used in pesticide, dope and
other silicon compound.
- Packing: In 20kgs bag.
- Storage: Keep container tightly closed in a cool, dry and well-ventilated place, avoiding exposure of the
packaged product to direct sunlight.
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