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Elastomer Comparison Chart

Excellent Excellent

Vgood Very Good

Good Good

Fair Fair

Poor Poor

COMMON NAMEEPDM OR EP RUBBERNEOPRENENBR OR BUNANATURAL RUBBERSBUTYLSILICONEFLOUROSILICONEFLOUROCARBON
CHEMICAL NAMEEthylene propyleneChloropreneAcrylonitrile ButadieneNatural IsopreneIsobutylene IsopreneSiliconeFlourosiliconeFlourocarbon
SAE-200BA,CA,DABC,BEBF,BG,BKAAAAFC,FE,GE__HK
ASTM DESIGNATIONEPCRNBRNRIIRVMQFVMQFKM
(D 1418)
PHYSICAL PROPERTIES
Tensile Strengh (psi)>2000>2000>2000>2000>2000>1200>1200>1400
Hardnes Range40-8020-8040-8050-7040-7540-8040-7070-90
Tear ResistenceGoodGoodFairGoodGoodFairPoorFair
Abrasion ResistanceGoodVGoodGoodExcellentGoodPoorFairGood
Compresion SetGoodGoodGoodExcellentFairVGoodExcellentExcellent
Resilience ColdGoodGoodGoodGoodPoorExcellentGoodFair
Resilience hotVGoodVGoodGoodFairVGoodExcellentExcellentExcellent
Radiation ResistanceExcellentGoodPoorFairGoodGoodExcellentExcellent
Impermiability To GasesGoodGoodGoodFairExcellentFairExcellentPoor
ElongationGoodGoodGoodVGoodVGoodFair
ACID RESISTANCE
Mild DiluteVGoodVGoodPoorPoorExcellentExcellentExcellentExcellent
Strong ConcentrateGoodGoodPoorPoorGoodFairGoodExcellent
SOLVENT RESISTSNCE
Aliphatic HydrocarbonsPoorFairVGoodPoorPoorPoorVGoodExcellent
Aromatic HydrocarbonsPoorPoorPoorPoorPoorPoorExcellentExcellent
Oxygenated (ketones,etc)GoodPoorPoorPoorGoodPoorFairFair
RESISTANCE TO
Swelling in Lubricating OilPoorGoodVGoodPoorPoorPoorExcellentExcellent
Oil and GasolinePoorGoodExcellentPoorPoorFairGoodExcellent
Animal oilsFairFairExcellentPoorFairGoodExcellentExcellent
Water AbsorptionVGoodGoodVGoodVGoodVGoodExcellentExcellentExcellent
OxidationExcellentVGoodGoodPoorExcellentExcellentExcellentGood
OzoneExcellentVGoodFairPoorFairExcellentExcellentExcellent
Sunlight AgingExcellentVGoodPoorPoorVGoodExcellentExcellentGood
Heat AgingVGoodGoodGoodFairVGoodExcellentExcellentExcellent
Low Temperature (Degree C)-50-40-30-50-40-59-59-15
High Temperature ( Degree C)149121100104110230232199
FlamePoorGoodPoorPoorPoorFairExcellentExcellent
Vegetable OilsFairGoodGoodPoorFairPoorExcellentExcellent
Chlorinated HydrocarbonPoorPoorFairPoorPoorPoorFairGood
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