DuPont Chemours Teflon PFA 345/ 345 X Resins DuPont Teflon PFA 345 is a medium melt flow rate fluoroplastic resin available in pellet form. Compared with Teflon PFA 340, it offers increased flex life and greater resistance to environmental stress-cracking (Teflon PFA 345 offers a typical MIT folding endurance of 50,000* compared to 15,000 in Teflon PFA 340). Table 1 shows the typical property data for Teflon PFA 345. Typical Application Applications for DuPont Teflon PFA 345 include extruded tubing, wire and cable insulation, injection molded parts, and chemically resistant linings for bellows, valves, fittings, pipes, pumps, and other fluid-handling components. DuPont Chemours Teflon PFA other grade: Teflon PFA 340/ 340 X Teflon PFA 345/ 345 X Teflon PFA 350/ 350 X Teflon PFA 416HP Teflon PFA 440HPA Teflon PFA 440HPB Teflon PFA 445HP Teflon PFA 450HP Teflon PFA 451HP Teflon PFA 940HP Plus Teflon PFA 945HP Plus Teflon PFA 950HP Plus Teflon PFA 951HP Plus Teflon PFA 9724 Teflon PFA 9725 Teflon PFA 9738 Teflon PFAD 335D