What is the difference between fluororubber, Teflon, and fluororesin?
I will introduce the differences between fluororubber and Teflon fluororesin.
Fluoroelastomers have C-F bonds in their copolymer structure, providing excellent chemical resistance, oil resistance, and durability among rubbers. A representative example is FKM. On the other hand, fluoropolymers are plastics that contain fluorine atoms in their structure, such as PTFE, FEP, and PFA. ■Differences in Characteristics 【Fluoroelastomers】 (FKM) They exhibit excellent resistance to petroleum-based oils and fuels. They are durable against ultraviolet rays and atmospheric pollutants, making them suitable for outdoor use. Generally, they can be used at temperatures up to about 230°C. 【Fluoropolymers】 (PTFE) They demonstrate resistance to many substances, including acids, alkalis, solvents, fuels, and organic materials with a high oxygen index. Due to their very smooth and highly non-stick nature, other materials are less likely to adhere to them. This is widely known as the characteristic of PTFE (polytetrafluoroethylene), which is famous under the trademark name Teflon. Fluoropolymers have excellent resistance to high temperatures and can typically be used at temperatures up to 260°C. *By applying fluoropolymer processing to fluoroelastomers, the surface can gain the properties of fluoropolymers. For more details, please contact us.
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