High temperature vacuum bagging film as a kind of green, lucency, tape castingnylon film has good thermostability, good elongation, excellent oxygen barrier property and puncture resistance. Recommended in HPHT advanced composite vacuum forming. Prepreg moulding etc. After successfully developed by UW, it get rid of the bottleneck of the high temperature film in China. Widely used in Marine industry and aerospace industry, Military industry, etc.