Aluminium Fluoride

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CAS No.: 7784-18-1

Molecular Formula: AlF3

Quality Standard: GB/T 4291-2007

Specifications:

Items

Class

Chemical Composition(Concentration)/%
physical properties
Not less than
Impurities, Not more than
Not less than
F
Al
Na
SiO2
Fe2O3
SO42-
P3O5
Caustic soda quantity
apparent density g／cm3
AF-0
61
31.5
0.30
0.10
0.06
0.10
0.03
0.5
1.5
AF-1
60
31.0
0.40
0.30
0.10
0.6
0.04
1.0
1.3
AF-2
58
29.0
2.8
0.30
0.12
1.0
0.04
5.5
0.7
AF-3
58
29.0
2.8
0.35
0.12
1.0
0.04
5.5
0.7

Physical properties: The appearance of Aluminium Fluoride is white or big Six sides crystals. The density is 3.00g/cm­ 3 .It's melting point is 1040℃, boiling point is 1272℃. Slightly solute in cold water, solute in hot water. When heated to 300-400℃, the aluminium fluoride can be decomposed partly into hydrogen fluoride and alumina by water vapor.

Applications: is mainly used to adjust the molecular ratio in aluminium electrobath, lower the smelting point of media and increase the conductivity of electrolyte. It is also used as the inhibitor in alcoholic fermen tation, the flux of vitreous enamel around the ceramics and the flux of the non-iron metal etc.

Packing: In 50kg or 25kg PP bags, Lined with high-pressure plastic film, or according to contract's requirements.

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