... thermal expansion: ¼ of PTFEPCTFE also has extremely low outgassing (0,01% TML, 0.00% CVCM, 0,00% WVR when testedper ASTM ... rods,processing parts)- PTFE (sheet,rod,tube,film,tape,processing parts) PCTFE DESCRIPTION-.PCTFE (rod,tube,sheet,gasket,processing parts)-.PFA (pipe ... ,processing parts)-.UHMWPE (sheet,rod,processing parts) PCTFE Rod, PCTFE Tube