... powder Molecular formula:SiO2nH2O we have rubber,tyre,sole,medicine,feed,food,medicine WHITE SILICAChemical name: Silica, precipitated, hydrated, White carbon ... , spinning weaving roller, adhesive for paper making, pesticide carrier anti-coagulator for pesticides, viscose-increasing agent for toothpaste, additives for foodstuff and medicines, and anti ...