High performance coatings solid epoxy resin HW-909 used in composite materials Description 1.Epoxy resin HW-909 is A standard bisphenol A type of high molecular weight solid type epoxy resin 2.Epoxy resin HW-909 is produced by the standards of bisphenol A type epoxy resin and bisphenol A preparation. 3.Epoxy resin HW-909 is used in high performance coatings, resin coating based on resin product has excellent flexibility and adhesion as well as good chemical resistance and