Perfluoroethylene rubber (FFKM) refers to a ternary copolymer of perfluoroethylene ether, tetrafluoroethylene, and perfluoroethylene ether, also known as perfluoroethylene rubber. Has elasticity and thermal and chemical stability of polytetrafluoroethylene. Long term working temperature -39~288 degrees Celsius, short-term up to 315 degrees Celsius, still has a certain degree of plasticity below the embrittlement temperature, hard but not brittle, and can be bent. Stable for all chemicals except for swelling in fluorinated solvents. In addition to excellent chemical resistance and heat resistance, the product has homogeneity and no surface problems such as penetration, cracking, and pinholes. These features can improve sealing performance, extend operating cycles, and effectively reduce maintenance costs. Kalrez® The long-term lifespan of the product will minimize unexpected downtime, improve equipment utilization, and optimize production capacity. The long-term effectiveness of perfluoroether rubber sealing components can improve production efficiency and reduce maintenance costs. These total costs are much higher than the initial purchase price for sealing. Selecting and installing Kalrez® High performance sealing products can extend the Mean Time to Repair (MTBR) and reduce irregular downtime and maintenance costs. For some special industries, the losses caused by abnormal shutdowns far outweigh the cost of repair parts and labor. Perfluoroether rubber products can effectively help users improve the stability of the process, extend the working time of the equipment, and achieve maximum benefits for customers.

Perfluorinated rubber is used in situations where fluororubber is not suitable and the conditions are harsh. Produce sealing components that are resistant to various media, such as rocket fuel, navel, oxidant, nitrogen tetroxide, fuming nitric acid, etc., for use in industrial sectors such as aerospace, aviation, chemical, petroleum, nuclear energy, etc.