Use of silica

Silica is a general term for white powder X-ray amorphous silicic acid and silicate products, mainly including precipitated silica, fumed silica, ultra-fine silica gel and aerogel, and powder synthetic aluminum silicate and calcium silicate.

1. In colored rubber products, silica is used to replace carbon black for reinforcement to meet the needs of white or translucent products.

2. In agricultural chemicals such as pesticides and fertilizers, the use of silica as a carrier or diluent can maintain a lasting effect.

3. Transparent colored and opaque toothpastes with silica as filler and abrasive have good flexibility, dispersibility, ointment property, and abrasion resistance, and do not wear toothpaste tubes; It can keep the stability of medicated toothpaste.

4. It is used for adhesives made of natural rubber or synthetic rubber to provide thixotropy and reinforcement.

5. Using silica as paper filler can improve the ink resistance and mechanical strength of the paper, increase the whiteness and reduce the unit weight