China Factory Directly High Quality Hydrophobic Fumed Silica 151 for Silicon Rubber Use, Find details about China Precipitated Silica, Hydrophobic Fumed Silica from Factory Directly High Quality Hydrophobic Fumed Silica 151 for Silicon Rubber Use
ITEM | UNIT | VALUE |
pH in 4% dispersion | 3.7 - 5.0 | |
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 |