| Ort der Herkunft |
Jiangsu China (Mainland) |
| Marke |
Chaojing |
It is widely used in the fields of high-tech electronic materials, high grade paints,silicone rubber,special ceramic,etc. The particle size of super fine silica is D50=1—8 micro,and its distribution is controllable. itemsunitTypical testing value (Crystal type)moisture content%0.17igniting loss%0.25SiO2%99.22Fe2O3%0.023Density×103kg/m32.65mohs hardness-7extracted waterElectric conductivityμS/cm30Cl-ppm20PH-6.3