silicafume

Silica Fume Powder make high-grade concrete effectively enhances the strength and pump ability of strong concrete. Silica fume powder, also called Microsilica, is a byproduct of producing silicon metal or ferrosilicon alloys. Silicon metal and alloys are produced in electric furnaces. The raw materials are quartz, coal, and woodchips. The smoke that results from furnace operation is collected and ...

... 5.can densified to 650 kg/m3 Microsilica , Micro Silica , Silicafume , Dioxide , Silicon Dioxide 85%-97% Micro silica ,also called silica ...