... high purity, Ammonium Bifluoride, High Purity HydroFluoric Acid, Industrial Hydrofluoric Acid, Fluorosilicic Acid, Ammonium Fluoride, Potassium Perfluorobutanesulfonate, Perfluoro butanesulfonylfluoride, ... Perfluorobutanoicaid, Perfluorooctanoic acid, Nonafluorobutane-1-sulfonic acid,Perfluorocyloether, Perfluoroheptaue. We sell our products ...