Dear Experts,

Hello. as what I mentioned, I am trying to see the aging of EPDM O-rings, and I want to use the NMR test method.

But the thing is, how can I dissolve the specimen?

I tried to use Deuterated chloroform (CDCl3), but failed. In this case, I used very little rubber, nearly 10:1. But this vulcanized rubber do not dissolve.

Can you tell me how to do this?

my email is [email protected]

thx for any open discussion.

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