Essential details
Color:White
Shipping:Ocean Freight
Product Introduction
Silicon Dioxide for Silicone Rubber Products
Executive standard: HG/T3061
Item | Specification | ||
Appearance | White powder | ||
BET specific surface area, m2/g | 165- 190 | 140-165 | 150-170 |
SiO2 content (on dry basis), % | ≥98.0 | ≥98.0 | ≥98.5 |
Loss on drying (105℃, 2h), % | 5.0-7.0 | 5.0-7.0 | 5.0-7.0 |
Loss on ignition (1000℃), % | 3.5-6.0 | 3.5-6.0 | 3.5-6.0 |
PH value | 6.0-7.5 | 6.0-7.5 | 6.0-7.5 |
DBP absorption value, cm3/g | 2.20-2.80 | 2.20-2.80 | 2.20-2.40 |
Soluble salts (in form of Na2SO4), % | ≤1.0 | ≤1.0 | ≤6.0 |
Total iron content (Fe), mg/kg | ≤300 | ≤300 | ≤150 |
Applications: After grinding, ball-milling and other secondary processing, it can be applied to
the fields of light-color rubber and transparent tape such as HTV, RTV and ceramic glaze, etc.