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Aluminum fluoride
Aluminum sodium fluoride
Magnesium fluoride
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Aluminum sodium fluoride

1) Molecular formula: Na3AlF6
2) Molecular weight: 209.94
3) Property:
Aluminum sodium fluoride is white crystalline powder. Slightly soluble in water, density is 2.95~3, melting point is about 1000οC, can be broken down by sulfuric acid and hydrochloric acid and generate hydrofluoric acid and revelant aluminium salts and sodium salts.
4) Usage: Mainly used as the flux of electrolytic aluminium, insecticide in agriculture, flux of enamel glaze, wear resistant filler of resin and rubber, etc.
5) Technical index: Execute national GB/T4291-2007 standard

Chemical composition/%
CH-0
CH-1

CM-0

CM-1

Fluorine (F)% ≥
52
52

53

53
Sodium (Na)%≤
33
33

32

32
Aluminium (Al)%≥
12
12

13

13
Hydroscopic water ≤
0.20
0.40

0.20

0.40
Silicon oxide (SiO2)%≤
0.25
0.36

0.25

0.36
Ferric oxide (Fe2O3)%≤
0.05
0.08

0.05

0.08
Sulfate (SO4)% ≤
0.6
1.0

0.6

1.0
Phosphorus pentoxide (P2O5)% ≤
0.02
0.03

0.02

0.03
Calcium oxide (CaO)% ≤
0.15
0.20

0.20

0.6

Physical properties/%

       
Loss on ignition (Mass fraction)≤
2.0
2.5

2.0

2.5
 
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