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Potassium Cryolite

Product: Potassium cryolite (potassium tetrafluoroaluminate)
Molecular formula: K3ALF6
CAS NO.: 13775-53-6
Molecular weight: 258.28
Quality: Standard: Industry Standard 

Grade
Chemical Composition /%
F
K
Al
Na
SiO2
Fe2O3
SO4
H2O
K/Al
% min.
% max.
Super grade
50
29.5
17.5
0.2
0.06
0.01
0.15
1.5
1.18-1.22
I grade
50
27
19
0.5
0.1
0.01
0.20
1.5
1.0-1.3

Characters: white or light gray powder, slightly soluble in water. The relative density of 2.9-3.0, melting point 1000 case of strong acid, it can release toxic hydrogen fluoride gas.

Uses: as aluminum, aluminum alloy and stainless steel flux, aluminum manufacturing process degassing agent, flux, but also for glass, ceramics, friction agent active filler.

Packaging: high-pressure plastic film lined, two-story external bag packaging. Net weight 50Kg. (Or according to the contract requirements)


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