Low price silica fume cement
Silica fume Chemical composition: L.O.S: 1.69% SiO2: 95.62% Al2O3: 0.64% Fe2O3: 0.05% CaO: 0.18% MgO: 0.09% Microsilica can fill the pores between the cement particles, increase the volume density and decreases the porosity, while micro silica fume has volcano ash reaction, with hydration products generate gels, and with alkaline materials…