85% Grade Densified Microsilica Fume
- Company Name:Henan Superior Abrasives I/E Co., Ltd
- Membership:Free Member
- Member Since:2017. 12.29
- Country/Region:China
- City:Henan
- Contact:Kemira Gao
- Related Keywords:silica fume, microsilica
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Henan Superior Abrasives I/E Co., Ltd
[China]
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.
Application area:
1) Concrete or Shotcrete
• Increase its density and strength, improve the performance on its durability,
impact resistance, corrosion resistance, anti-permeability and frost resistance etc
2) Refractory material & Ceramics material
• Greatly improve its density, strength and high temperature performance.
3) Cementitous Repair Products (Mortars & Grouts)
• Low permeability, increase resistance from chlorides, acids, nitrates and sulfate etc
4) Oil Well Grouting
• Increase durability and compressive strength, decrease permeability, better control of gas leakage
5) Concrete Tile, roofing & wallboard,panels
• Lightweight and improve the strength
6) Polymers & rubber product
7) other application, such as waterglass industry, thermal insulation material etc.
Product Details and Specifications of 85 grade silica fume:
Parameters | Standard Value |
---|---|
Silicon Dioxide(SiO2) | 85 % min |
Loss on Ignition(L.O.I) | 3 % max |
Moisture Content(H2O ) | 1.0 % max |
Percent Retained On 45μm (325 sieve) | 2.0 % max |
Bulk Density | 350-700kg/m3 |
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