Brand: Degussa
Model: R812S
Product features: low thickening effect and operability
Packaging specification: 10kg/bag
Application: Silicone rubber adhesive and sealant defoamer
Product features: The low thickening effect and operability of white carbon black R812S enable it to have a high filling amount in polymer systems. White carbon black R812S is highly suitable for transparent systems and facilitates the free flow of powders.
Technical parameters of Evonik Degussa fumed silica R812S:
性质 | 单位 | 典型值 |
比表面积（BET法） | m2/g | 260±30 |
压实密度（近似值）据DIN EN ISO 787/11,Aug.1983 | g/l | 约60 |
碳含量 | Wt.% | 2.0-3.0 |
105℃下2小时含水量 | Wt.% | ≤0.5 |
将105℃下干燥2小时后的物料，在1000℃下灼烧2小时 | Wt.% | 1.0-2.5 |
pH值在4%分散体中 | Wt.% | 5.5-7.5 |
SiO2含量给予灼烧后的物料 | Wt.% | ≥99.8 |