Polyurethane o rings are typically used for their excellent wear and abrasion resistance. As a thermoplastic elastomer, polyurethane o-rings can be formulated in many different ways although typical polyurethane o-ring material is designed for sealing impact strength and drive belt applications. For more information about these rings, you can contact to “Superior Bands” experts. Call them now at (864) 226-6142 or Toll-Free: (800) 227-2906.