silica fume 1.SiO2:90%min 2.LOI<4 3.H2O<3 4.density:550-700kg/m3
Specification:
Analysis | result |
SiO2(Silicon Dioxide) | Min. 92.02% |
Fe2O3 (Iron Oxide) | Max. 0.18% |
Al2O3(Aluminium Oxide) | Max. 0.08% |
CaO(Calcium Dioxide) | Max. 0.30% |
MgO(Magnesium Dioxide) | Max. 0.35% |
K2O+ Na2O | Max. 1.9% |
Cl (Chloride) | Max. 0.4% |
Moisture Content(H2O ) | Max. 0.5% |
Loss on Ignition(L.O.I) | Max. 2.2% |
Percent Retained On 45μm (325 sieve) | Max. 0.5% |
Bulk Density | 500-700kg/m3 |
Function:
Increasing concrete strength. Increasing concrete density. Fr ost resistance.
silica fume in the buildingindustry
silica fume has broad application in the field of high and new technology. For cement or concrete to improve the performance of concrete or cement, prepared with ultra-high, strong, wear-resistant, corrosion-resistant, anti-penetration, antifreeze, the early strength of concrete or special cement compound to meet the oil - Well, marine oil drilling platform, harbor terminals, railway bridges highways, airport runways, tunnels and urban high-rise building projects.
concrete micro silica 90
