Place of Origin : Lanzhou,China

Microsilica (silica fume) is a by-pruduct of metallic silicon and ferrosilicon production process.It can be used as HPC additives,and make a good performance at improving strength and density ,enti-permeability,ect.
our pruduct cover the ranges 85%~95%,
1:the basic physical properties of Microsilica:
average size of Microsilica is Between 0.1-015 μm
typical color: brown (white in nature, the color is become darker with the density accretion)