China Factory Directly High Quality Hydrophobic Fumed Silica 153 for Silicon Rubber, Find details about China Hydrophilic Silica Factory, Hydrophobic Silica China from Factory Directly High Quality Hydrophobic Fumed Silica 153 for Silicon Rubber
ITEM | UNIT | VALUE |
pH in 4% dispersion | 5.5 - 7.5 | |
Drying Loss(2hr. at 105ºC) | wt. % | ≤ 0.5 |
Loss on ignition | wt. % | ≤ 2.5 |
SiO2-content | wt. % | ≥ 99.8 |
Bulk Density | g/l | 40-60 |