Brief Introduction LW-9425A is a modified BPA (bisphenol A) type epoxy resin with aluminum oxide powder. LW-9425B is a modified carboxylic anhydride hardener with aluminum oxide powder. Fast Curing Epoxy Resin, Ideal for Voltage Transformer Manufacturing, Boosting Production Efficiency Applications Electrical insulators for medium and high voltage applications, such as 66-220kV GIS bowl-type insulators and other insulation components. Processing Methods Conventional gravity