Santoprene

Santoprene^TM is a thermoplastic elastomer (TPE). It is the mixture of in-situ cross linking of EPDM rubber and polypropylene. It is supplied as pre-compound material which is able to process by conventional thermoplastic tools. Santoprene^TM is a thermoplastic compound that is processed in much the same way as any type of plastic. The difference is that Santoprene^TM possesses the same levels of flexibility and durability that are commonly found with natural rubber compounds. Because of the longer life of santoprene in both extreme hot and cold environments, the material is often preferred over the use of rubber.

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Properties

Its compound is available in grade hardness Shore A: 50-60 . It has good compression set at room temperature and moderate performance at high temperature up to 100 °C. Service temperature is 100 °C (permanent) and 120 °C (temporary). Environmental aging resistance, electrical properties, and liquid resistance are about the same as EPDM and it can replace EPDM in certain applications.

References

• Folkes M.J, Precessing structure and properties of block copolymers, Elsevier Applied Science Publisher