The 120-8552-100 is a type of SureSeal Sealing Gasket. It is designed for use in a variety of pipe and flange applications and is engineered to provide superior sealing performance in high temperature, high pressure, and corrosive environments and conditions. The gasket is made from reinforced elastomeric material and can be used in temperatures up to 550° F (288° C). It is also resistant to ozone, sunlight, hydrocarbon oils, solvents, and antifreeze. This versatile gasket is suitable for use with a variety of flange and pipe types, including ANSI, ASME, and JIS.