Zunyi silica fume silica fume fire-resistant plastic material polypropylene fibers

Silica fume (also called silica fume) (scientific name "silica fume", Microsilica or Silica Fume), tied smelting ferrosilicon alloy or industrial silicon, silicon steam oxidation after exiting through the flue, specially designed to collect dust collector The resulting amorphous, powdered silica (SiO2). Micro-silica average particle size 0.15 ~ 0.20 μ m, a specific surface area of ??15000 ~ 20000m 2 / kg, with a strong surface activity. The past 20 years, micro-silica fume at home and abroad construction, chemical, metallurgy and other fields to obtain a wide range of applications. Which is mainly used for a large number of micro-silica fume cement or concrete admixture to improve the performance of cement or concrete, formulated with ultra-high intensity (C70 and above), wear resistance, erosion, corrosion, anti-infiltration, antifreeze, the early strength The special concrete for dams, large reservoirs, hydropower, port terminals, railway bridges, highways, airport runways, tunnels and high-rise building and other projects. Meanwhile, the micro-silica fume can also be used for refractories and ceramics production, improve product strength and durability; used in paints, coatings, resins, rubber and other polymer materials filler material can serve to improve the overall performance of purposes. Adding silica fume concrete, concrete strength can be improved. As with 10% of the amount of silica fume concrete cement replacement, can increase strength by 25%; the other can make more dense concrete, improve the durability of concrete. Contact: Mr. Wu 15108231100