Increasing the concrete strength,extending concrete service life. Silica fume, 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....

Making high-grade concrete effectively enhances the strength and pump ability of strong concrete. Silica fume, 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...