FUMED SILICA, SiO2, organic silica Silicon Rubber: Improves silicon rubbers durability, rebound rate, and anti-distortion performance. Plastics Industry: Improves plastic s tenacity, strength and prevents water absorption. Coating Industry: Prevents agglomeration and drip. Thixotropic additives. Increase denseness and smoothness of paint. Medicine Industry: Increase denseness ,floating , carrying function in medicine. It also can be used as the pesticide powder and anti-agglomeration. Item Index A-100 A-130 A-150 A-200 A-250 A-300 A-380 A-450 Apparent White solid colloidal micro-particle Specific surface, m2/g 100+/-15 130+/-15 150+/-15 200+/-25 250+/-25 300+/-30 380+/-30 450+/-30 pH value 3.6-4.3 3.6-4.3 3.6-4.3 3.6-4.3 3.6-4.3 3.6-4.3 3.6-4.3 3.6-4.3 Heating loss weight, %(m/m) í_ 1.5 1.0 1.0 2.0 2.0 2.0 2.5 2.5 Burning loss weight, %(m/m) í_ 1.0 1.0 1.0 2.0 2.0 2.0 2.0 2.0 Apparent density, g/l 30-60 30-60 30-60 30-60 30-60 30-60 30-60 30-60 mP.s 100-200 100-200 200-500 500-1000 700-1500 700-1500 1000-2000 1000-2000 Uses: It is used widely in silicon rubber, construction sealant, coating, electron and electric, aerospace, medicine and medical material, resin processing, printing ink, pesticide and other industries. A-100~150: Used widely in silicone acid rubber, sulfurized silicone rubber at ambient temperature (low moisture content ), silicone neutrl rubber. A-200~300: Used mainly in sulphurized silicon rubber at high temperature, organic silicon defoaming agent, high oil ink, power coating, powdered of flake preparation, cosmetics and so on. A-380~450: Used mainly in high transparent and tear resistance silicon rubber, silicon ester, enclosed materials for capacitors and so on. Packing: 10kg/bag Store and Transport: Placed in a vent and dry storehouse and prevented form humid, water, pressure and throwing during transport 10kg/bag