▎ 摘　　要

NOVELTY - The utility model claims a varicosity polytetrafluoroethylene film of composite conductive layer, comprising an expanded polytetrafluoroethylene layer and a conductive layer; the conductive layer is compounded on the surface of the expanded polytetrafluoroethylene layer by hot pressing; the expanded polytetrafluoroethylene layer is a microporous film formed by unidirectional stretching or bidirectional stretching; 0.01-0.3mm; thickness of the expanded polytetrafluoroethylene layer is the conductive layer is graphene; The utility model is compounded by the way of hot pressing, which can ensure the stability of the conductive layer, and compared with the metal material, the flexibility of the expanded polytetrafluoroethylene is strong, the die cutting performance is good, and the weather resistance is excellent.