Fumed silica (CAS number 112945-52-5), also known as pyrogenic silica, is white, synthetic, amorphous silicon dioxide (SiO2) in powder form, made by flame hydrolysis of silicon compounds. Fumed silica is an ultra-fine, high-purity particle used as a reinforcing, thickening, abrasive, thixotropic, suspending or anti?caking agent in a wide variety of products for the automotive, construction, microelectronics, and consumer products industries. 更多
