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Home > Products > Construction Materials > Microsilica Fume for Concrete, Construction, Grey Densified and Undensified Micro Silica

Microsilica Fume for Concrete, Construction, Grey Densified and Undensified Micro Silica

Basic Info

Model No.:  85%~96%

Product Description

Model NO.: 85%~96% Appearance: Grey or White Powder Specification: SGS ISO HS Code: 3804 CAS No.: 69012-64-2 Trademark: LY Origin: Shandong Our advantage:
1. Factory price,
2. Good Quality,
3. Free sample,
4. ISO Cerficate,
5. A long stable supplier,
6. Good support to you

1. Silica fume 85%-98%
2. High electrical resistivity
3. Low permeability
3. Superior resistance to chemical attack


1. Instruction
Microsilica, also called silica fume or micro silica, is a byproduct of producing silicon metal or ferrosilicon alloys. Silicon metal and alloys are produced in electric furnaces. The raw materials are quartz, coal, and woodchips. The smoke that results from furnace operation is collected and sold as silica fume, rather than being land filled. Silica fume consists primarily of amorphous (non-crystalline) silicon dioxide (SiO2), its average granule diameter is 0.15~0.20 µ M, specific surface area is 15000~20000 m2/kg, and it has extremely strong surface active.

2. Main function

Very low permeability to chloride and water intrusion.
Extremely high electrical resistivity (20 to 100 times greater than ordinary concrete).
Increased abrasion resistance on decks, floors, highways and marine structures.
Superior resistance to chemical attack from chlorides, acids, nitrates and sulfates.

3. Specification
Grey Densified and undensified Micro Silica
Analysis Result

Contact us if you need more details on Microsilica. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Silica Fume、Micro Silica. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Construction Materials