China Factory Directly High Quality Hydrophobic Fumed Silica 201 Used for Silicon Rubber, Find details about China Hydrophilic Silica, Precipitated Silica from Factory Directly High Quality Hydrophobic Fumed Silica 201 Used for Silicon Rubber
ITEM | UNIT | VALUE |
pH in 4% dispersion | 3.7 - 4.7 | |
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 |