Sell Silica Fume

Description

Silica Fume CAS No.:********9 Molecular formula: SiO2 Appearance: offwhite powder Activity index: =>*5% Relax Volume:******0 kg/m3 Specification: GB/T *********2 SICON*2 Loss on Ignition (%) 6 Max 1~2 Cl- (%) 0.*2 Max 0.*2 Max SiO2 (%) *5 Min *3~*7 Moisture (%) 3.0 Max 0.4~0.6 Water demand (%) **5 Max **0 Specific Surface Area m2/kg ****0 Min ****0~****0 Use: Making high crack-resistance, self-waterproof concrete; be used in the subway, tunnel, and basement of high-rise structures. Making high-grade concrete effectively enhances the strength pumpability of strong concrete. Used in maritime works and chemical industry. Owing to compactability, it can prevent effectively sulfate and chlorine ion from osmosizing and eroding. Effects on high-early strength concrete and strong concrete. Used in projects item for water conservancy and bridge. Used in the constructing item under water, such as pier, high dam and drilling platform. Used in road surface concrete expressway, large-scale bridge. Packing: **0kg/jumbo bag, *5 kg/bag