... 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 ...