Colorless solid epoxy resin HW-903 equal to NPES-903 with excellent chemical properties Description: Epoxy resin HW-903 is a solid epoxy resin, based on BPA and Epichlorohydrin and produced in a 2-stage process. Range of application 1.Tank coating, 2.Coil coating, 3.Insulation powder coating, 4. Electronic coating, 5.Powder coating, 6. Composite and so on. The physical and chemical properties Test Item Specification Appearance No obvious mechanical impurities Color ,Gardner