For over 30 years The Duffy Company has been the exclusive North American distributors of Condursal stop-off paints to the Heat Treating Industry. These world class products simply work, first time, every time. The quality and consistency of Condursal stop-off paints are unmatched by any other manufacturer. In addition to the Condursal line, The Duffy Company stocks and distributes additional items, which will offer your company significant savings and unsurpassed quality.