Resilience or Damping

In automotive design these terms describe the ability of the rubber component to isolate or absorb vibrational energy. The polymer of choice is NR for where low 

Where high damping is required polymers such as ethylene-propylene-diene terpolymer, butyl, chlorobutyl, bromobutyl and acrylonitrile butadiene copolymer can be considered. 

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