... Silicon dioxide: High efficient dispersion, good anti-settling Excellent matting ability, transparent and hand-feel in coating ... hole secondary particle, hydrophile,adsorption, silutedness. Etc. Silicon rubber, coatings, paper making, pesticide. be used ... ,rubber,plastics,panit,toothpast abradant,agricultur, cementing agent, coating, anticaking agent(fertilizer), papermaking, decolorant, dyestuff.SiO2 ...