Place of Origin:
Jiaozuo,China
Brand Name:
EVERSIM
Certification:
ISO9001
Model Number:
Grade I
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Aluminium fluoride (AlF3) is an inorganic compound used primarily in the production of aluminium. This colorless solid can be prepared synthetically but also occurs in nature as minerals rosenbergite and oskarssonite.
Aluminium fluoride is an important additive for the production of aluminium by electrolysis. Together with cryolite, it lowers the melting point to below 1000 °C and increases the conductivity of the solution. It is into this molten salt that aluminium oxide is dissolved and then electrolyzed to give bulk Al metal.
Together with zirconium fluoride, aluminium fluoride is an ingredient for the production of fluoroaluminate glasses.
It is also used to inhibit fermentation.
Like magnesium fluoride it used as a low-index optical thin film, particularly when far UV transparency is required. Its deposition by physical vapor deposition, particularly by evaporation, is favorable.
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Chemical Constituent (mass fraction) %
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|||||||
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F
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Al
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Na
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SiO2
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Fe2O3
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SO4
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P2O5
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Loss of Ignition
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Apparent density
g/cm3
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≥
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≤
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≥
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||||||
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AIF-0
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61.00
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31.50
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0.30
|
0.10
|
0.06
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0.10
|
0.30
|
0.50
|
1.50
|
|
AIF-1
|
60.00
|
31.00
|
0.40
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0.30
|
0.10
|
0.60
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0.04
|
1.00
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1.30
|
|
AIF-2
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58.00
|
29.00
|
2.80
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0.30
|
0.12
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1.00
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0.04
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5.50
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0.70
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|
AIF-3
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58.00
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29.00
|
2.80
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0.35
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0.12
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1.00
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0.04
|
5.50
|
0.70
|
Application:
1. Its mainly used as a flux in the aluminum smelting by fused-salt electrolysis;
2. An opalizer in the manufacture of enamel;
3. An opacifier and auxiliary solvent of glass and enamel;
4. An insecticide of crops;
5. A flux in aluminum alloy casting;
6. In the production of ferrous alloy and effervescing steel;
7. As well as a wear-resistant filler for resin and rubber-boned abrasive wheels.
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