Sika Bangladesh Distributor , sika admixture ,sika grout , sika flooring , sika chemicals

Insha Chemicals is the supplier of  silica fume or micro silica  fume. we  have introduce silica fume in Bangladesh  first time  in construction industry  . we supplying silica fume mostly for manufacturing high grade concrete .micro silica or silica fume increase concrete strength and fluidity . Details : Micro Silica Fume (Scientific name: Microsilica or Silica Fume), in the department of smelting ferrosilicon and industrial silicon, through the flue exhaust steam oxidation, specially designed silica dust collector to collect the amorphous powder SiO2. The average particle size of the micro silicon powder is 0.15-0.20μm, Specific surface area is 15000-20000 m2/kg, which has a very strong surface activity. A large number of micro silica is mainly used in cement or concrete admixture, in order to improve the performance of cement or concrete, preparation with high strength (more than C80), wear resistance, erosion resistance, corrosion resistance, anti permeability and frost resista