Rubber　Material　ISO

Elastomer Name ISO Name Strengths Weaknesses
Natural rubber NR Pyrogenic, impact resilience, tear strength Ozone resistance, heat resistance, oil resistance
Isoprene rubber IR Impact resilience, tear strength Ozone resistance, heat resistance, oil resistance
Butadiene rubber BR Wear resistance, impact resilience Ozone resistance, heat resistance, oil resistance
Styrene-butadiene rubber SBR Radiation resistance, brake oil resistance Ozone resistance, heat resistance, oil resistance
Polyurethane rubber AU、EU Large impact resilience, mechanical strength, wear resistance Chemicals resistance, water resistance (AU)
Nitrile rubber NBR Oil resistance Ozone resistance
Hydrogenated nitrile rubber HNBR（NEM） Heat resistance, oil resistance, wear resistance, ozone resistance High cost
Butyl rubber IIR Gas permeation resistance, chemicals resistance, cold resistance Low impact resilience, oil resistance
Chloroprene rubber CR Ozone resistance, incombustibility Hydraulic oil resistance
Ethylene propylene rubber EPM、EPDM Heat resistance, water resistance, cold resistance Oil resistance
Chlorosulfonated
polyethylene		 CSM Wear resistance, ozone resistance Oil resistance, compression permanent set, cold resistance
Acrylic rubber ACM Heat resistance, oil resistance, ozone resistance Water resistance, impact resilience
Ethylene-acrylic rubber AEM Heat resistance, ozone resistance Oil resistance
Fluororubber FKM Heat resistance, chemicals resistance, oil resistance, ozone resistance Cold resistance, inorganic base resistance, high cost
Perfluoroelastomer FFKM Heat resistance, chemicals resistance, oil resistance, ozone resistance Cold resistance, workability, high cost
Silicone rubber VMQ Cold resistance, heat resistance, ozone resistance, insulation properties Gas permeation resistance, mechanical strength
Fluorosilicone rubber FVMQ Cold resistance, heat resistance, oil resistance, ozone resistance Mechanical strength
Epichlorohydrin rubber CO　ECO Gas permeation resistance, heat resistance, ozone resistance –

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