
Company Information
Ask for more detail from the seller
Contact SupplierWe offer high quality microsilica with grade 92% sio2, it is the ideal admixture in high performance concrete, high intensity concrete, shotcrete, reinforced concrete, premixed concrete, blast furnace cement, cement portland and etc.
sio2(silicon dioxide) min. 92.0%
c(carbon) max. 0.7%
fe2o3 (iron oxide) max. 0.1%
al2o3(aluminium oxide) max. 0.3%
cao(calcium dioxide) max. 0.3%
mgo(magnesium dioxide) max. 0.2%
k2o(potassium dioxide) max. 0.3%
na2o(sodium dioxide) max. 0.2%
p2o5(phosphorus pentoxide) max. 0.1%
so3(sulphur trioxide) max. 0.2%
cl (chloride) max. 0.1%
moisture content(h2o ) max. 0.5%
loss on ignition(l.o.i) max. 0.5%
percent retained on 45μm (325 sieve) max. 0.5%
bulk density 250-300kgm3 and 550-650kg m3
benefits
increased concrete service life
improved strength
increased modulus of elasticity
reduced permeability thereby increasing durability
increased resistance to sulfate attack
increased resistance to alkali-silica reactivity