BU-T - PTFE U-CUP BACK UP - INCH

These Hytrel® rings are supplied solid and are used normally to backup 8400 series u-cups. They are highly extrusion resistant and are compatible with water and petroleum based fluids up to temperatures of 275°F. Unlike TFE, they can be stretched over larger diameters and will quickly return to their original size. Temperature: -40° to 275°F