The 5" Teflon Envelope with Neoprene Core Gasket by SEALFAST is designed for high-performance sealing applications. This gasket features a durable Teflon envelope that provides excellent chemical resistance, making it ideal for various industrial environments. The neoprene core enhances flexibility and resilience under pressure, ensuring a reliable seal. With a diameter of 5 inches, it fits standard flanges and is compliant with industry standards for safety and performance. This gasket is suitable for use in systems requiring high-temperature and high-pressure capabilities.