High temperature strength solid epoxy resin HW-907H used in industrial protective coatings Epoxy resin HW-907H is unmodified high molecular weight solid epoxy resin based on bisphenol A. Available in flake form. It is mainly used to make single pack, baking type epoxy-amino, epoxy-phenolic coatings that are used in packaging industry. This product can also be used in the manufacturing of epoxy esters, to produce industrial protective coatings. It has higher softening point.