... , 3.ISO9001,ISO14001 certified Material: 100% virgin PTFE PTFE parts: CNC machined PTFE parts Application: Insulating parts, sealing liner, anti-adhesive ... parts, lead insulating tube, feeding pipe for corrosive fluid etc. CNC machined PTFE parts:Main characteristics contrast chart for different materialsPropertiesPTFEPFAFEPPCTFEPVDFDensity2 ...