Phelps Style 1400 is a universal gasket made from 100% expanded PTFE. Although very strong and tough, it is soft and "marshmallowy" in character, permitting it to conform easily to irregular surfaces and to compress to a thin, wide ribbon under pressure. It comes in the form of a continuous cord with an adhesive bead to aid installation. Because it is 100% PTFE fluorocarbon, it can be used in many applications where other materials fail quickly, either because of attack by corrosive chemicals or because of breakdown from exposure to high or low temperature.

Real Seal® is highly compressive, only light flange bolt pressure is required to effect a seal, particularly useful in plastic, glass and ceramic vessels and pipe