High Purity Grey Powder Potassium Fluoroaluminate For Saving Energy Product Description: Potassium Cryolite is a cryolite mixture salt, composed of potassium fluoride and cryolite. It is a white solid with a molar mass of 258.17 g/mol and a density of 2.9 g/cm3. Potassium Cryolite salt is highly stable under normal temperatures and pressures, and has a low toxicity. Its melting point is 1180 °C. Potassium Cryolite has a wide range of uses, from electronics and electric