14 March 2018 10 4K Report

I am trying to confirm the polymer composites of three different drive belts from a car engine. I think two of them are made from EPDM and one from a highly saturated nitrile rubber. Can you confirm this from the specrtra provided and point out relevant values?

edit: Note; car engine drive belts often have a fibreglass thread inside to increase stregnth and durability

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