1.Additive for cement Silica fume 85%min 2.Good fluidity 3.Low permeability 4.Meet the requirements of ASTM C-1240 Microsilica , also called silica fume, it is a byproduct of  silicon metal or ferrosilicon alloys. Silicon metal and alloys are produced in...

Microsilica make high-grade concrete effectively enhances the strength improve ability of strong concrete.polymer refractory ect Microsilica, also called Silica fume, is a by-product of silicon metal or ferrosilicon alloys. Silicon metal and alloys are produced in electric...

Densify Silica fume with good fluidity, improve concrete properties, Increased abrasion resistance on decks, floors,highways Densify Silica fume ,  main used in concrete,it can be improve concrete’s properties, such as compressive strength, bond strength...

Microsilica for concrete has extremely strong surface active. lower permeability, paper bags can be dissolve when in water Micro silica( Silica fume), be used in concrete. it can be  improve concrete’s properties such as compressive strength, bond strength...

by-product-raw materials from Silicon metal.would like to accept to SGS. LOI <4% PAI >=130% H2O<3% CL<0.05 Microsilica (Silica fume) used in concrete and refractory.it can be improve concrete's properties such as compressive strength, bond strength...