Vacuum pressure impregnation (VPI) resin is mainly used in the motor field. Bofei Electronics is a leading company in the domestic industry.

VPI resin, vacuum pressure impregnation resin, refers to a resin formulated from epoxy-modified heat-resistant unsaturated polyester resin, special curing agent, reactive diluent and other materials. VPI resin has excellent insulation, heat resistance, dielectric properties, chemical stability, impregnation processability and other characteristics. It can be widely used in optical modules, high-voltage motors, wind power motors, communications…