micro silica/silica fume
Minimum Order: 0
Quality/Safety Certification: 0.00
Densified Powder&Grain Microsilica
Bulk Density:550-700kgs/m3
SiO2:90%Min.
Qualify:SGS certificate with ASTM C-1240 Standard
Microsilica. silica fume concrete in the application
1.Manufacture high-strength concrete (C70 above), significantly enhanced the strength of concrete and pumping performance;
