各种橡胶性能一览表.doc

各种橡胶性能的比较表天然橡胶NR聚 戊二烯橡胶 IR丁苯橡胶SBR聚丁二烯橡胶 BR乙丙橡胶EPDM丁基橡胶IIR氯丁橡胶CR丁腈橡胶 NBR聚硫橡胶PTR硅橡胶Silicone聚氨酯橡胶 AU EU抗张强度（纯胶料）极好极好差差差中等好差差差-抗张强度（补强胶料）极好极好好 - 极好好好 - 极好好好 - 极好极好中等中等好 - 极好抗撕裂性（冷）好中等差 - 中等极好好好好中等好中等好（热）好好中等极好极好中等好差差差好耐磨性极好好好 - 极好极好极好中等 - 好极好极好中等中等极好抗自然老化性差差差差 - 中等极好好 - 极好极好中等极好极好极好抗氧化性好好好好极好好 - 极好好中等极好极好极好耐热性好好好好好好 - 极好好好中等极好中等 - 好低温屈挠性极好极好好极好好中等中等中等好极好极好压缩变形中等 - 好中等 - 好差 - 中等好好中等差 - 好好差 - 中等极好好不渗透性中等好中等差 - 中等差 - 中等极好好极好极好中等好阻燃性差差差差差差极好差差中等差耐？性好好好好好极好好中等好-好耐酸性（稀）好好中等 - 好好好极好极好好好好好（浓）中等 - 好中等 - 好中等 - 好好好极好好中等差中等中等电气性能好 - 极好好 - 极好好好极好好 - 极好差 - 中等差好极好好 - 极好耐溶剂性脂肪烃差差差差差差好极好极好好好芳香烃差差差差差差中等中等极好好差氯化溶剂差差差差差差差差极好中等中等氧化溶剂好好好好好好差差好好中等动物油和植物油差 - 好差 - 好差 - 好差 - 好差极好好极好极好好好 - 极好注：芳香烃溶剂对硅橡胶有影响，采用氟硅橡胶可获得良好的耐芳香烃性。 材质 Material 物性 Physical天然橡胶(NR)Natural Rubber丁苯橡胶(SBR)丁基橡胶(IIR)Butyl三元乙丙橡胶EPDM氯丁橡胶(CR) Neoprene丁腈橡胶(NBR)Nitrile聚氨脂(PU)Urethane硅(硅)胶(SR)Silicone氯磺化聚乙烯胶(CSM)HypalonPHYSICALPROPERTIES一般物性比重Specific Gravity0.931.450.941.200.921.100.861.301.101.351.001.201.021.250.981.61.121.35硬度范围Hardness Rang(Shore A)30-10035-10030-9030-9035-9530-10055-10020-9040-90最大搞张强度Tensile Strength Max(psi Rm.Temp)400030002500300030003000300015003000最大延伸率Elongation Max(% Rm.Temp)750600700600600600750800600回复力ResilienceEGP-FGG-EF-GF-EF-GF-G压缩变形Compression SetGFP-GGF-GGG-EG-EF-G不透气性Impermeablity to GasesFFEFF-GGP-FP-FG抗屈曲龟裂Flex Cracking ResistanceFGGGGFG-EF-EG抗撕裂性Tear StrengthEFGF-GF-GF-GEP-FF-G耐磨性Abrasion ResistanceEG-EGG-EG-EG-EEP-FG-E抗冲击强度Impact StrengthEEGGG-EF-GG-EP-GG抗割裂成长Cut Growth ResistanceEGEGGGG-EP-FGENVIRONMENTRESISTANCE耐环境物性抗氧化Oxidation ResistanceF-GF-GEG-EG-EF-GG-FEE抗臭氧Ozone ResistancePPG-EEGPEEE耐候Weathering ResistanceFFEEGF-GG-EEG-E抗日晒Sunlight ResistanceP-FFEEG-EP-FG-EEE耐水性Water ResistanceEG-EEEGG-EGGG耐燃性Flame ResistancePPPPGPP-GF-GG耐热性Heat ResistanceFF-GGG-EF-GGF-GEG低温柔软性Low Temperature FlexibilityG-EGF-GG-EFF-GGEF-GCHEMICALRESISTANCE耐化学品物性耐油和汽油Oil and GasolinePPPPF-GG-EG-EP-FF-G耐动植物油Animal & Vegetable OileFFG-EGGG-EGF-GG耐醇类AlcoholsGGGF-GG-EF-GF-GGG-E耐碱性AlkaliesFFEG-EEG-EPPE耐酸性AcidsF-GF-GG-EGGGP-FFG-E耐石腊烃溶剂Aliphatic Hydrocarbon solventsPPPPGEGP-FG耐芳香烃溶剂Aromatic Hydrocarbon solventsPPPPP-FF-GP-FP-FP-F耐酮类溶剂Oxygenated SolventsGGG-EG-EP-FPPFF注: E=