Potassium tetrafluoroaluminate
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Product: Potassium cryolite (potassium tetrafluoroaluminate)
Molecular formula: K3ALF6
CAS NO.: 13775-53-6
Molecular weight: 258.28
Quality Standard: Industry Standard
Specification:
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.
Packing: high-pressure plastic film lined, two-story external bag packaging. Net weight 50Kg. (Or according to the contract requirements)
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