Teflon PFA Fluoroplastic Resin Description Teflon PFA 340 (340X) is a general-purpose fluoroplastic resin available in pellet form. Compared with other grades of Teflon PFA, its most unique features are a relatively high melt flow rate (typical MFR of 14) and properties that make it suitable for a variety of processes and demanding end uses. Typical Applications Applications for Teflon PFA 340 (340X) include extruded tubing and other profiles for hose, wire and cable insulation, and sleeving; industrial film; and injection or compression molded articles requiring superior electrical, chemical, and thermal properties. Chemours Teflon PFA 340 X Packing:25kg/bag this item is for purchasing 1bag of 25kg.