Application:
Silicon rubber: Improve anti-aging property and resilience Plastic industry: Can improve the flexibility, strength and water resistance of plastics. Coatings: Enhance anti-caking property; Has thickening and extinction property. Pharmacy: Has thickening, suspending function; As carrier; As anti-caking agent.
Specifications
Precipitation silica hydrated white carbon black
Item |
Index |
SiO2 content, dry basis, % |
≥98 |
pH-value |
6.0 7.0 |
D50, μm |
≤6.0 |
BET specific surface area, m2/g |
230 250 |
105°C drying loss, % |
≤6.0 |
SO42- content, % |
≤0.5 |
Total iron content, mg/Kg |
≤300 |
DBP absorption cm3/g |
3.0-4.0 |
Loss on ignition % |
≤7.0 |
Heating loss % |
≤4.0-8.0 |
is suitable for silicone rubber, intermediate of silicone rubber, paints, printing ink, tyre, shoe sole, coatings, cosmetics, pesticides, textiles and toothpaste etc.. |