Hunter Chemical is an ISO9001:2008 certified supplier of nickel, cobalt and chrome based chemicals for metal finishing and other industrial applications. Hunter is one of the largest suppliers of chromic acid to the metal finishing industry in North America, shipping from multiple warehouses in U.S. and Canada. Hunter produces its proprietary PFOS-Free fume suppressant in multiple formulations: HCA-8.1, high concentration HCA-8.2, and HCA-8.2D with defoamer.