YLSCH-RBB® Silica
CHEMICAL NAME:Silicon dioxide
MOLECULAR FORMULA: SiO2.nH2O
MOLECULAR WEIGHT:60.084
CAS No.:7631-86-9
EINECS No.:231-545-4
Other Name:white carbon;White carbon black,combustion method;Pelleted Hydrated Silica;Hydrated Silica;
Silicondioxidehydrate;Silica, hydrate;Precipitated silica;Silica Dioxide
SPECIFICATIONS:
| ITEM |
YLSCH-RBB-180P |
YLSCH-RBB-180G |
YLSCH-RBB-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(105ºC, 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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