Vacuum bag flim as a kind of copolymer flim has good elongation, and excellent performance. The auto-release property makes it a good choice for the application where direct rein contact is avallable. it is an economy bagging film for vacuum infusion and pre-pregprocess. The Bagging film localization began after our company has successtully developed the product for vacuum bag film. The product is widely used in wind energy. Marine industry and aerospace industry, etc.