- Place of Origin: China (Mainland)
Potassium Cryolite:white or grey-white crystal powder
Spec: (%)
F | Al | K | Fe2O3 | SO4 | H2O | |
Super grade | 50-52 | 17-18 | 29-32 | ≤0.01 | ≤0.05 | ≤1.2 |
I grade | 49-51 | 17-18 | 28-32 | ≤0.1 |
| ≤0.6 |
II grade | 45-51 | 15-19 | 27-35 |
|
| ≤1.0 |
Properties: white or grey-white crystal powder; fineness: 20, 40, 100, 200 and 325mesh, composed by KF-AlF3, Molecular rate near 1.2, melting point 557-580. Solubility in 1000g water: at 0: 0.8g; at 25: 1.42g,at 100: 4.58g.
Application:
It is used as welding flux in aluminum alloy and stainless steel, a degasser and an auxiliary solvent in aluminum alloy fabrication, also used as an active filler for glass, ceramic and friction compound
Packing: in 25/1000kg plastic woven bags with film lining.
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