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Supply MicroSilica

Supply MicroSilica

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Persona de contacto angelia

China, Tangshan, Hebei

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Description

Specifications

Micro Silica
1.Silica fume *5%**8%
2.High electrical resistivity
3.Low permeability
3.Superior resistance to chemical attack

Micro silica for Concrete/Refractory

 

1.Instruction

Microsilica , also called silica fume, 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. Microsilica consists primarily of amorphous (non-crystalline) silicon dioxide (SiO2), its average granule diameter is 0.*5~0.*0 µm,specific surface area is ****0~****0 m2/kg, and it has extremely strong surface active.

 

2.Main function

  • Very low permeability to chloride and water intrusion.
  • Extremely high electrical resistivity (*0 to **0 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 Microsilica

Specification:

Analysis Result

Analysis

Result

SF*5

SF*8

SF*0

SF*2

SF*4

SF*6

SF*7

SF*8

SiO2(%)(min.)

*5.*5

*8.*5

*0.*5

*2.*5

*4.*5

*6.*5

*7.5

*8.5

Fe2O3 (%)

0.*8

0.*4

0.*1

0.*5

0.*0

0.*0

0.*0

0.*0

Al2O3 (%)

0.*9

0.*0

0.*1

0.*5

0.*0

0.*0

0.*0

0.*0

CaO (%)

0.*9

0.*0

0.*6

0.*0

0.*0

0.*0

0.*0

0.*0

K2O+ Na2O (%)

0.*9

0.*4

0.*2

0.*0

0.*0

0.*0

0.*0

0.*0

Moisture (%)

3.*5

2.*5

2.*5

2.*5

1.*5

1.*5

1.*0

1.*0

4.*8

3.*8

2.*8

2.*8

2.*8

1.*8

1.*5

1.*0

Send a direct inquiry to this supplier

A:

angelia < Tongshun Heat Treating Company >

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