Silica Fume 85D

Item No.: SY-85D
Silica Fume SY-85D meets the requirements of ASTM C-1240 and contains of 85% silicon dioxide (SiO2)
Micro silica, also called silica fume or micro silica, is a byproduct of production silicon metal or ferrosilicon alloys. Silicon metal and alloys are produced in electric furnaces. The raw materials are quartz, coal and woodchips.