White carbon Silica, White carbon black,SiO2 white powder Using in rubber,tyre,sole,feed,food,medical ETC. WHITE SILICAChemical name: Silica, precipitated, hydrated, White ... soles with high reinforcing effect as that of carbon black, and it can make rubber products with light color ... or transparency. Used for [food]: It is white fine powder with high purity, high fluidity and large ...