85% Grade Densified Microsilica Fume

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Brand: Henan Superior Abrasives
Price: 150.00USD/ton
Min.Order: 1 ton
Delivery: Shipment within 15 days since the date of payment
Address: China
Valid until: 2019-01-31
Updated on: 2018-01-15 10:03
Hits: 19155
Company Detail

Micro silica ,also called silica fume or micro silica, is a byproduct of production silicon metal or ferrosilicon alloys. Silicon metal and alloys are produced in electric furnaces.The raw materials are quartz,coal and wood-chips.The smoke that results from furnace operation is collected and sold as silica fume, silica fume consists primarily of amorphous(non-crystalline) silicon dioxide(SiO2),its average granule diameter is 0.15~0.20um,specific surface area is 15000~20000m2/kg,and it has extremely strong surface active.

Microsilica in concrete                

1)Manufacture high-strength concrete(C79 above),Significantly enhanced the strength of concrete and pumping performance;

2)Manufacture of high permeability(≥P30),waterproof concrete structure for the MTR,tunnels,the basement of high-rise buildings;

Manufacture marine and chemical concrete,because of its dense high performance,effectively prevent the sulfate and chloride ion permeability of concrete, erosion, avoid being reinforced concrete corrosion,theereby prolonging the life span of concrete;

3)In water highway,bridge project, the basic needs not only of concrete indicators, its wear and erosion resistance is very demanding, micro-doped silica fume is necessary;

4)MICROSILICA fume strong activity, a caustic water properties,applicable to the needs of rapid construction early strength,high strength concrete admixtures;tunnels,subways,large-scale structure in the course of construction Pit Support for the high-strength concrete plus jet; underwater construction project (such as: Pier Dam,and drilling platforms,etc) use in concrete admixture.

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