1Polyamide tubing film for fibreglass infusion 2Forming bicycles,badminton,tennis rackets,bats,etc. Tubing film for composite molding Product ... operations of composites materials.2.such as forming bicycle, tennis racket, badminton racket, baseball bat, hockey stick, mast to fiberglass compositss.3.width ... ,heat resistance and gas-seal property; PA tubing film for carbon fiber composites