O-rings and Seals 


McMasters Koss Co.
4224 Normandy Court
Royal Oak, Michigan 48073

Phone: (248) 549-1414
Fax:    (248) 549-7753


(800) 548-0089


Materials

Some of the compounds we offer:

  • Buna-N (Nitrile, NBR)
  • Hydrogenated Nitrile (HNBR)
  • Fluorocarbon (Viton ®, GLT, GFLT, Extreme, FKM)
  • PTFE (Teflon ™, TFE)
  • Fluorosilicone (FVMQ)
  • Perfluoroelastomer (Aegis ®, Kalrez ®, Chemraz ®, FFKM)
  • Neoprene (CR)
  • Silicone (VMQ)
  • Ethylene Acrylic (Vamac ®, AEM)
  • Polyacrylate (ACM)
  • Ethylene Propylene (EPDM, EP)
  • Urethane (PU, AU, EU)
  • Aflas ® (TFE/P)
  • PTFE Encapsulated
  • Thermoplastic Elastomers (TPE)
  • Chlorinated polyethylene (CPE)
  • Color Coatings for Seals


Ford, GM, FCA, Tesla, Mercedes-Benz, BMW, Volvo, Toyota, Honda, FDA, NSF, UL, ASTM, SAE, and many other approved materials.

Company names mentioned above are the registered trademarks (®) of their respective owners.