Expands as it sets, insuring a tight leak proof joint as well as correcting imperfections in pipe threads, flanges and other metal surfaces. Corrects burred or mutilated threads. Accomodates fittings from numerous manufacturers with different size threads.
Withstands deflection, high pressures (up to 5,000 psig), high temperature (1,000°F), low temperature (-300°F),changes in temperatures, and vibrations