Low-Viscosity Phenalkamine Epoxy Curing Agent for Heavy-Duty Anticorrosive Coatings SE-5101 is a special phenolic resin modified amine resin. Mainly used in combination with amino resin like Desmodur 3175, Allnex 325, and 303 to prepare baking varnishes for electronic components and PCB screen-printing inks. Depending on different performance requirements, polyester polyol resins are widely used in various aspects of industry: coatings and paints, adhesives and bonding agents