Materials

Material nomenclature according to ASTM-D 1418-76

  • Natural rubber NR
  • Isoprene rubber IR

    Div. Various trade names: Natsyn, Criflex IR

  • Styrol-Butadien rubber SBR

    Div. Various trade names: Buna Hüls,Polysar S, Soprene

  • Butadiene rubber BR

    Div. Various trade names: Buna CB, Polybutadien K

  • Isobutylene-isoprene rubber IIR

    Div. Various trade names: Polysar Butyl, Esso-Butyl

  • Ethylene-propylene-diene monomer rubber EPDM

    Div. Various trade names: Keltan, Buna AP, Dutral

  • Nitrile-butadiene rubber NBR

    Div. Various trade names: Perbunan, Polysar-Krynac

  • Epichlorohydrin rubber CO,ECO

    Div. Various trade names: Heroclor, Hydrin

  • Chloroprene rubber CR

    Div. Various trade names: Baypren, Neoprene

  • Chlorosulphonated polyethylene rubber CSM

    Div. Various trade names: Hypalon

  • Polyurethane rubber AU, EU

    Div. Various trade names: Urepan, Adipene C

  • Polysulphide rubber T

    Div. Various trade names: Thiokol

  • Silicone rubber VMQ, PVMQ

    Div. Various trade names: Silopren

  • Fluorosilicone rubber FQ

    Div. Various trade names: Silastic

  • Fluororubber FKM

    Div. Various trade names: Viton, Fluorel, Tecnoflon

  • Polyacrylate rubber ACM

    Div. Various trade names: Hycar

  • Polyurethane PUR

    Div. Various trade names: Vulkollan

  • Polytetrafluoroethylene PTFE

    Div. Various trade names: Teflon, Hostaflon

Material nomenclature according to ASTM-D 1418-76

POLYMERdiv. Various trade names (R)
NRNaturkautschuk
IRIsoprenkautschukNatsyn, Criflex IR
SBRStyrol-Butadien-KautschukBuna Hüls,Polysar S,Soprene
BRButadien-KautschukBuna CB, Polybutadien K
IIRButyl-KautschukPolysar Butyl, Esso-Butyl
EPDMEthylen-Propylendien-KautschukKeltan, Buna AP, Dutral
NBRAcrylnitril-Butadien-KautschukPerbunan, Polysar-Krynac
CO,ECOEpichlorhydrin-KautschukHeroclor, Hydrin
CRChloropren-KautschukBaypren, Neoprene
CSMChlorsulfonysiertes Polyethylen-KautschukHypalon
AU,EUPolyurethan-KautschukUrepan, Adipene C
TPolysulfid-KautschukThiokol
VMQ, PVMQSilicon-KautschukSilopren
FQFluor-Silicon-KautschukSilastic
FKMFluorkautschukViton, Fluorel, Tecnoflon
ACMPolyacrylat-KautschukHycar
PURPolyurethanVulkollan
PTFEPolyteraflurethylenTeflon, Hostaflon
CharacteristicsNRIRSBRBRIIREPDMNBRECOCRCSMAUTSISFIFKMACMPURPTFE
Tear resistance, non-reinforced125645553526665611
Tear resistance, reinforced12243323231544331
Elongation at failure112323232324443321
Rebound resilience22316332343433552X
Abrasion resistance222133232315554413
Initial tearing resistance223533332434663412
Elec. volume resistance112222453433114421
Temp. range hot air + °C909010010014015013014512013012014020020022016080260
Temp. range cold – °C5040406040404040304020308080252035190
Ageing resistance333321322223111211
Ozone resistance444321322222111211
Fuel resistance664565112211511121
Oil and grease resistance665664112244444421
Acid resistance333321452254541561
Alkali resistance333322352253541561
Hot water332312343353542561
LEGEND:
1=Excellent2=Very good3=Good4=Moderate5=Low6=Unsatisfactoryx=No comparison with elastomers