What are the differences between fumed silica and silica? For what purpose?
Silica (white carbon black) includes precipitated silica meteorological silica superfine silica. Precipitated silica is mainly used as the reinforcing agent of natural rubber and synthetic rubber, toothpaste friction agent, etc. Vapor silica is mainly used as reinforcing agent, coating and unsaturated resin thickener of silicone rubber, and ultra-fine silica gel and aero gel are mainly used as coating matting agent, thickener, plastic film opening agent, etc.
More information please check:
http://www.iotasilica.com/ 
