High Temperature resistance, from 235℃ to 320℃; Excellent chemicals resistance to over 1600 kinds of chemicals. Excellent elastic and resilient performance; Appropriate mechanical strength, including expansion strength, elongation and tear strength, etc. It has stable performance, is not easy to swell in the medium, and has small thermal shrinkage effect (Joule effect). Easy to process and shape, and can maintain precise dimensions. It does not corrode the contact surface and does not pollute the medium.