silicon dioxide used for rubberNano silicon dioxide used for rubber filler in silicone baby nipple Products name: Silica,Precipitated Silica,Hydrated silica(SIO2)Molccular Formular: Sio2.NH2OAppreance: powder,white micro pearl and granularSilica for rubber:Rubber Application: Shoe industry, Tyre industry, Industry rubber products, The plastics industry . 1.Shoe industry: Rubber outsoles reinforcing filler,the performance of reinforcing close to the carbon black,it can be used for light-colored rubber products,transparen appearance and excellentwear resistance. 2.Tyre industry: Reduce tire rolling resistance,increasing tire grip in the wetlands and icy ground. 3.Industry rubber products:Applied to the rice roller,hoses,rubber rollers,belts,oil seals,etc.,can improve tear resistance,abrasion resistance,and extend the life of the products. 4.The plastics industry: To improve plastic's toughness,strength,waterproof.Packing: 15kg & 20kg PP woven bag, 25kg Paper Valve bag, 14.4kg EVA bag,330kg, 360kg, 625kg, 850kg big bag