... rubber,tyre,sole,medicine,feed,food,medicine WHITE SILICAChemical name: Silica, precipitated, hydrated, White carbon blackMolecular formula: SiO2 · ... additives for foodstuff and medicines, and anti-inflammation agent in hygiene and fire-proof materials.Used for [medicine, feedstuff ... properties, it is the best transparent reinforcement additive in rubber-based blends. It can greatly improve the ...