Insulating paint, can withstand the current through the coating, the volume resistivity is usually greater than 109Ω.cm coating called vulcanized fiber sheet. The effect of the insulating coating is to isolate the charged part from the uncharged part or the part with different potentials so that the current can flow according to a certain path. According to the national standard GB2900 -: - 5 provides the definition of epoxy glass laminate sheet is: "used to make insulation on the electrical components of the material", that is, to prevent the current, shielding current through the material. Beijing Zhisheng Weihua high temperature insulating coating research and development departments, the organization of more than 10 materials experts, after years of research and development, insulation insulation performance has a comprehensive breakthrough to enhance the other industry process has immeasurable significance.