Application Of Micro Silica Powder In Building Material Industry

- May 10, 2017 -

Also called micro silica or silica fume cohesion, iron alloy in smelting ferrosilicon and industrial silicon (silicon metal), mineral hot furnace produces a large number of volatile strong SiO2 and Si gas, gas emissions and air condensation precipitation by rapid oxidation.

Silicon micro powder is a new building materials green renewable, refers to waste concrete after crushing, grinding, cleaning and grading, adding suitable activator, which has a certain activity, can replace part of cement in concrete production, and improve the performance of concrete.

Currently in the market has been part of the application. The micro silicon powder after crushing, grinding, surface roughness, edges and more, some factors in the process of adding micro particles, the internal microcracks exist, these factors make the water absorption rate and water absorption rate increases, these for concrete is adverse, so the comprehensive performance, preparation of concrete mechanics performance and durability is poor.

But the more mature active admixture of micro silica powder to replace part of cement not only has good economic benefits, but also significantly improve and improve the corrosion resistance and durability of concrete.


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