An industry leader in Fluid Transfer & Containment for over 25 years. Tef Cap is a leading manufacturer of high temperature, chemical resistant Fluoropolymer Products such as Smooth Bore & Heat Shrinkable Teflon PTFE, FEP & PFA Tubing. Heat Shrinkable Teflon FEP Roll Covers for the ultimate in anti-stick properties and easy clean up. Teflon FEP and PFA Probe covers for complete chemical protection. Corrugated FEP and Convoluted PTFE Tubing for extreme flexibility when needed. High Performance Teflon Tubing from Tef Cap Industries.