... PTFE ROD,SHEET,SKIVED,TUBE,PIPE,FILM,etc,together with HDPE,PP,POM,PVC,NYLON ROD AND SHEET.70% of our products ... :A gasket is a mechanical seal between two objects,generally to prevent leakage between the two objects while under compression. Heat resistance ... pump valve,the heat exchanger the seal.Characteristics:Chemical stability,with the best medium resistance in the elastomer,excellent anti-aging ...