Profile: Deep Polymers is a manufacturer of PTFE/Teflon® molded and machined components. Polytetrafluoroethylene is a fluorocarbon based polymer, which has chemical resistance. Our compressor parts include piston rings, wearing rings, packing rings, non-lubricated valve strips, oil scrapper rings and channel inserts. They are made of Teflon®. Our PTFE expansion bellows are available in diameters ranging from 1/2-36 inches.They are ideal for thermal expansion and can take up misalignment & vibrations.