The 3M™ Scotchkote™ Spray System HSS-450 is intended for use in a wide variety of spray applications using 3M™ Scotchkote™ Liquid Epoxy Coating 323. Through work with contractors and applicators, 3M brings to the market a novel system to improve application efficiency, reduce waste and coat in the most difficult of areas. This system works especially well for coating girthwelds, short segment repair and custom field applications.