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Comparative Properties Of Elastomer

COMPARATIVE PROPERTIES OF ELASTOMER
PropertiesNaturalButylNitrilePolychloroprene (Neoprene)HypalonEPDMFloroelastomer (Viton)SiliconPolyurethane
Tensile Strength of Carbon Black Loaded Elastomer.Over
20.7 MPa.
Over
13.8 MPa.
Over
13.8 MPa.
Over
20.7 MPa.
Over
20.7 MPa.
Over
20.7 MPa.
Over
13.8 MPa.
Over
10.3 MPa.
Hardness Range (Durom.A)30-9040-7540-9540-9540-9540-9055-9540-8560-99+A (upto 80 D)
Adhesion to MetalsExcellentGoodExcellentExcellentExcellentGood to ExcellentFair to GoodExcellentExcellent
Adhesion to FabricsExcellentGoodGoodExcellentGoodGoodGood to ExcellentExcellentVery Good to Excellent
Tear ResistanceGood To Very GoodGoodFairGoodFairFair to GoodFairPoorExcellent
Abrasion ResistanceExcellentGoodGoodExcellentExcellentExcellentGoodPoorOutstanding
Compression SetGoodFairGoodFair to GoodFairGoodFair to Good (Exc. at high temp)FairFair
Hot ReboundExcellentPoorGoodVery GoodFair to GoodVery GoodFair to GoodExcellentGood (Poor at very low temp)
Cold ReboundExcellentVery GoodGoodVery GoodGoodVery GoodGood (Exc. at high temp.)ExcellentGood at R.T
Dielectric StrengthExcellentExcellentPoorGoodVery Good to ExcellentExcellentGoodGoodExcellent
Electric InsulationGood to ExcellentGood to ExcellentPoorFair to GoodGoodExcellentFair to GoodExcellentFair to Good
Acid Resistance (Dilute)Fair to GoodExcellentGoodExcellentExcellentExcellentExcellentExcellentFair
Acid Resistance (Concentrated)Fair to GoodGoodGoodGoodVery GoodExcellentExcellentFairPoor