... plastics. Application:1.Building machinery, agriculture machinery: liners for silos, hoppers, dump trucks, railcars and chutes. 2 ... bottom surface, snowmobile drive sprocket, golf ball core, rope for parachute9. Aviation and military: bulletproof vest, aircraft seat. ... battery separator, screen plate of nuclear power plant, fishing rope. Process:1. Extrution molding2. Injection molding3. Blow molding4 ...