Epoxy resin E-12 (604#) is used to prepare pure epoxy and epoxy polyester powder coatings. It can also be used in anti-corrosion coatings and insulating coatings in combination with amine curing agents. It has good electrostatic spraying performance, excellent anti-corrosion and chemical resistance, and can meet the requirements of various powder coatings such as glossy, matt, anti-corrosion, weather resistance, art, and high decoration.