Property
This product is a white or gray crystalline powder with initial melting point of 560℃ , solubility in 1000g water: 0.86g (0℃), 1.42g (25℃) and 4.58g (100℃).
Applications
Potassium Fluoaluminate (KAlF4), 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.
Specifications
| 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 | 0.50 | 0.50 | 1.0 | |||
Packing: in 25kgs or 50kgs PP bags or multiply paper bags, or 1000kgs-1200kgs jumbo bags, or according to customer’s requirements.

