White powder precipitated silica by selection of raw materials, with low iron raw materials. It can be dissolved by NaOH, HF. Other kinds of acid, water and organic solvents cannot dissolve the product. Resistance to high temperature, no combustion, good insulation, odourless properties.
Felcosil-185 rubber grade precipitated silica is an ultrafine nano fine chemical product, which can be divided into hydrophilic type and hydrophobic type according to the surface treatment. The appearance is a white powder.
