Fluorite Powder Colour: white, off-white, light-yellow Main purity CaF2: 97%min Other purity: 90%, 93%, 95%, 97% Packaging Detail: 25kg/bag, 50 kg/bag, 1mt/bag or 1.25mt/bag. Application: it used for ceramic industry, welding electrode, glass,enamel, iron and steel industry. For manufacture of fluorhydric acid, high quality glass, ceramics, artificial cryolite, fluorides, insecticices, and as flux in smelting iron and steel, etc.