O-ring

International Abbreviations

Chemical Terms, Abbreviations and Trade Names
Chemical TermASTM Designated AbbreviationPolymer Trade Names
Acrylonitrile ButadieneNBRChemigum®, Nipol®, Krynac®, Paracril®, Perbunan N®, BunaN ®
Highly Saturated NitrileHNBRTherban®, Zetpol®
Carboxylated NitrileXNBRNipol®, Krynac®, Chemigum®
FluorocarbonFKM, FEPMDyneon®, Viton®, Aflas®, Fluorel®
Ethylene PropyleneEP, EPDM, EPT, EPRNordel®, Royalene® Vistalon®, Buna EP®, Keltan®
Styrene ButadieneSBRAmeripol Synpol®, SBR®, Plioflex®, Stereon®
PolychloropreneCRNeoprene®, Baypren®, Butaclor®
Isobutylene IsopreneIIRButyl®
SiliconeVMQ, PMQ, PVMQSilastic®, SILPLUS®, Elastosil, Wacker®
FluorosiliconeFVMQFSE®, Silastic®, Sylon®
PolyacrylateACMCyanacryl®, HyTemp®, Thiacril®
Ethylene AcrylicAEMVamac®
Chlorosulfonated PolyethyleneCSMHypalon®
EpichlorohydrinECO/COGechron®, Hydrin®

Polyisoprene

  • Natural
  • Synthetic

 

NR 
IR

 

SMR®, Pale Crepe®, Smoked Sheet®
Ameripol SN®, Natsyn®

Polyurethane (Polyester or Polyether)AU or EUAdiprene®, Millathane®, Vibrathane®, Vulkolan®, PUR
PerfluoroelastomerFFKM Kalrez®
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