Potassium Cryolite (K3AlF6), 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. SPECIFICATION Chemical composition Melting point () F K Al Na Fe2O3 50-55 27-29 17.25-19 ≤ 0.5 0.01 560-600 PROPERTIES 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). PACKING Package can be 25kg or 50kg plastic woven bags with shrink film, or according to customers requirements.