Sell Sodium hexafluoroaluminate

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Name: Trisodium hexafluoroaluminate
Synonyms: Sodium hexafluoroaluminate, Cryolite, Sodium Fluoaluminate, Aluminium Sodium Fluoride
Molecular Formula: Na3AlF6
Molecular Weight: 209.94
CAS Registry Number: 13775-53-6

Properties
Clorless monocrystal crystal, usually appears offwhite, pink, yellowish or black because of impurity, usually present as indiscerptible compact block with glass lustre, specific gravity: 2.9-3.0, melting point: 1000 degree; slight soluble in water, aqueous solution is acidic, decompose to toxic hydrogen fluoride gas when meeting with sulfuric acid.

Specification:

Excellent Grade
F, %: >=53
Al, %: >=13
Na, %: <=31
SiO2+Fe2O3, %: <=0.25
Sulfate(SO4) , %: <=0.88
P2O5, %: <=0.02
H2O, %: <=0.5

First Grade
F, %: >=53
Al, %: >=13
Na, %: <=31
SiO2+Fe2O3, %: <=0.4
Sulfate(SO4) , %: <=1.2
P2O5, %: <=0.05
H2O, %: <=0.8

Second Grade
F, %: >=53
Al, %: >=13
Na, %: <=31
SiO2+Fe2O3, %: <=0.5
Sulfate(SO4) , %: <=1.5
P2O5, %: <=0.05
H2O, %: <=1.3

Application:
It is mainly used as fluxing agent in aluminum production, insecticide for crops, melting agent and opaquefier for enamel glaze; also used to produce opal glass and as electrolyte in producing aluminum alloy, iron alloy and boiling steel; as ingredient of grindstone and as raw material in dip coating of aluminum on iron and steel.

Package: plastic barrel, net weight: 25kg/barrel