Molecular Formula: KAlF4
Molecular Weight: 142.07
CAS No.: 14484-69-6
Property: This product is a white or gray crystalline powder with an initial melting point of 560℃, solubility in 1000g water: 0.86g (0℃), 1.42g (25℃) and 4.58g (100℃).
Applications: Potassium Fluoaluminate (KAlF4), 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 compounds.
Grade | Chemical Composition (%) | ||||||
F | K | Al | Na | Fe2O3 | SO42- | H2O | |
≥ | ≤ | ||||||
Grade I | 51 | 29.5 | 17.5 | 0.2 | 0.01 | 0.15 | 1.5 |
Grade II | 49 | 28 | 17 | 0.5 | 0.10 | 0.20 | 1.0 |
Grade III | 46 | 25 | 15 | 0.5 | 0.05 | 0.50 | 1.0 |