Quick details classification: other cas no.: 7631-86-9 place of origin: shandong, china (mainland) grade standard: food grade, industrial grade, medicine grade purity: 99%min appearance: white powder application: industry brand name: chainwin model number: 99%- 98%packaging & delivery packaging details 10kg pe bagpaper bagdelivery time prompt after order item specificationtype xr-150 xr-200technique fumed fumedform white powder white powderwhitness 98 98sio2(dry basis)% 99.99 99.99ph value 3.5-4.5 3.5-4.5average particle size nm 12nm 14nmbulk density gl 40-50 40-50ignition loss(1000 for 2hr.)% 1.0-1.5 1.0-1.5bet surface area m2g 150 15 200 25application hcr high temperature sulfuration silicon rubber and rtv-2k room temperature sulfuration silicon rubber.adhesive and fluid sealant.printing ink.able rubber.lant protection.oo and cosmetics.Characters:was made from chlorosilane hydrolysis oxyhydrogen flame .our company started produce this product from 2011, and now has over 1000mt per year.widely used in kinds fields, mains as liquid system's thixotropic agent, thickening agent, anti-caking agent, can well change the liquid's viscosity .