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Sodium Aluminium Fluoridepowder/ granule/sandy-size
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Sodium Aluminium Fluoride
Synonym: Sodium Fluoroaluminate, Synthetic Cryolite, Artificial Cryolite
Molecular formula: Na3AlF6
Molecular weight: 209.94
1> Properties: it is crystalline white powder. Slightly soluble in water, density 2.95-3, melting point 1000°C, easily absorbing water and become damp, decomposed by strong acids like sulfuric acid and hydrochloride, then producing hydrofluoric acid and relevant aluminum salt and sodium salt.
2> Uses: mainly used in flux of electrolytic aluminum, pesticide, flux of ceramic colors, antirubbing filling agent of resin and rubber, electrolytic liquid for production of iron alloy rimmed steel and furnish of emery wheel.
3> Packing: package can be 25/50/ 1000kg plastic woven bags with shrink film in, or according to customer's requirements.
4> Specifications: GB/T4291-2007
Specifications: GB/T4291-2007
F |
52%min |
Al |
12%min |
Na |
33%max |
SiO2 |
0.36%max |
Fe2O3 |
0.08max |
SO42- |
1.0%max |
H2O(105-110°C) |
0.40max |
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