FOREVER SEALS' Back-Up Rings are essential components in sealing systems, providing additional support and stability with their high-strength thermoplastic materials. These rings can withstand pressures up to 50MPa, ensuring reliable operation in high-pressure environments. When used in conjunction with various sealing components, they greatly enhance the overall reliability of the sealing system. Back-up O-rings from FOREVER SEALS are indispensable for any sealing system.