1 polyamide film for vacuum bag 2 used in vacuum forming 3 for forming composite component. 4 ... surface of the structure under the vacuum bag1.resistant temperature 180 degree celsius;2.soft and elastic ,good elongation, heat resistance and gas ... .g.:30mm,60mm,80mm,110mm);2.thickness:25um-180um(e.g.:40um,50um,60um,80um);3.length:at your request;4.excellent ...