PTFE Envelope Gaskets we offer come with positive, trouble-free sealing in several applications, orbiting from mild to strictly corrosive environments. These are presented in a broad ambit of standard sizes as well as configurations. These are apt for their use in equipment employing flanges and are fabricated from standard steel, glass-lined, alloy, plastic, ceramic, conical-end glass pipe and several others. These can be used in zones where the envelope of pure PTFE is needed to protect the unprotected joint edge from corrosive outbreak. These are suited for applications where hygiene surroundings are important. These have chemical resistance of PTFE as well as elastomeric properties of EPDM or FKM Fluor elastomer.