This material seals nearly everything. There is practically no liquid or gas service limitations. It is versatile and an ideal replacement gasket. Specially formulated PTFE sealing agent withstands vibrations. Temperatures range from -400 deg F to +500 deg F (-240 deg C to +260 deg C). 500 psi for general conditions. The zip joint will withstand pressure as high as 1500 psi under favorable conditions. Spreads under compression and conforms to almost any shape.