Acid Grade Fluorspar is a mineral with CaF2: 97% Min and produced mainly in China & Inner Mangolia. Acid Grade Fluorsoar is even produced in Mexico & Germany.Acid Grade Fluorspar is used for production of E7018 type of electrode and also for certain Stainless Steel Electrodes. Acid Grade Fluorspar is also used for making of SMAW Fluxes.