Chemical composition of silica
The main chemical component of white carbon black is fumed silica. Specifically, it is silicon dioxide with very fine particle size. Its chemical formula is sio2. Due to its large specific surface area, the application of white carbon black is wider than that of ordinary silicon dioxide. It is also more suitable as a filler for rubber, because its particle size is very fine.
For more information on silica, please refer to:
http://www.iotasilica.com/