Material Properties

Select Common Name Select Natural Select SBR Select Butyl Select Nitrile Select Neoprene Select EPDM Select Silicone Select Viton Select Polyurethane Select Hypalon Select Epichlorhydrin Select HNBR Select Fluorosilicone
Common NameNaturalSBRButylNitrileNeopreneEPDMSiliconeVitonPolyurethaneHypalonEpichlorhydrinHNBRFluorosilicone
Chemical NameIsopereneStyrene Butadiene CopolymerIsobutene / IsopereneAcrylonitrile Butadiene CopolymerChloropreneTerpolymer of Ethylene Propylene Diene MonomerPolysiloxaneFluorinated HydrocarbonPolyesterChlorosulphinated PolyethyleneOrganochloride EpoxideHydrogenated Nitrile
AbbreviationNRSBRIIRNBRCREPDMQFPMAUCSPEECHHNBRFVMQ
Tear Strength (PSI)3000200020002000300030001500200040003000300030001500
Tensile Strength (kPa)20k14k14k14k20k20k10k14k27k20k20k20k10k
Hardness (IRHD)30-9040-9040-7540-9540-9540-9020-8055-9535-9940-9540-9550-9540-80
Specific Gravity (base material)0.930.940.9211.230.861.1/1.61.851.061.12/1.281.27/1.360.981.3-1.8
Tear ResistanceVery GoodFairGoodFair to GoodGoodFair to GoodPoorFairExcellentExcellentFairGoodFair
Abraision ResistanceExcellentVG to ExcellentGoodExcellentGoodGoodPoorGoodOutstandingExcellentGoodExcellentGood
Compression SetGoodGoodFairGoodFair to GoodGoodFairFair to GoodFairFairFairGoodFair
Rebound - ColdExcellentGoodPoorGoodVery GoodVery GoodExcellentFair to GoodGoodGoodPoor to FairGoodExcellent
Rebound - HotExcellentGoodVery GoodGoodVery GoodVery GoodExcellentGoodGoodGoodPoor to FairVery GoodGood
Dielectric strengthExcellentExcellentExcellentPoorGoodExcellentGoodGoodExcellentExcellentGoodFairGood
Electrical InsulationVG to ExcellentVG to ExcellentVG to ExcellentPoorFair to GoodExcellentExcellentFair to GoodFair to GoodGoodFairFairExcellent
Gas PermeabilityFairly LowFairly LowVery LowLowLowFairly LowFairly LowVery LowFairly LowFairly LowFairly LowFairly LowFairly Low
Adhesive PropertiesGoodGoodGoodGoodGoodPoorFairGoodFairFairFairGoodFair
Water AbsorptionVery GoodVery GoodVery GoodGoodGoodVG to ExcellentExcellentVery GoodGoodVery GoodGoodVery GoodGood
OxidationGoodFairExcellentGoodVG to ExcellentExcellentExcellentOutstandingExcellentExcellentGoodGoodExcellent
OzonePoorPoorExcellentFairVG to ExcellentOutstandingExcellentOutstandingExcellentOutstandingVery GoodGoodExcellent
Sunlight AgeingPoorPoorVery GoodPoorVery GoodOutstandingExcellentOutstandingGoodOutstandingGoodVery GoodVery Good
Heat Ageing (continuous service limits °C)+85/-40+90/-40+120/-20+115/-20+95/-20+145/-40+305/-100+205/-20+85/-40+120/-20+120/-40+150/-25+200/-100
HeatGoodFair to GoodVery GoodGoodVery GoodExcellentOutstandingOutstandingGoodExcellentVery GoodExcellentGood
ColdExcellentVery GoodGoodFair to GoodGoodExcellentOutstandingGoodExcellentGoodFair to GoodExcellentExcellent