What are the basic requirements of TPE material for TPE automotive seals?

　　At present, in the field of automotive seals, more and more TPE (PP/EPDM) has replaced the traditional vulcanized EPDM, mainly thanks to the use of TPV can improve production efficiency, lightweight, reduce equipment investment, reduce labor costs, and environmentally friendly. So what are the general performance requirements for TPE materials for automotive seals now?

　　Specifically we can refer to the standards set by Geely Automobile:

　　Automotive seal strip TPV material standards for about 70A TPE, other OEM requirements are as follows:

　　For the finished seal, there are usually requirements as follows:

　　1. odor ≤ 3.5 level;

　　2. burning speed ≤ 80mm / min;

　　3. condensation components ≤ 3mg;

　　4. total carbon volatilization ≤ 50μgC/g;

　　5. Formaldehyde ≤ 10μg/g.

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