| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition for a vibration insulation rubber, whose compression set can be efficiently reduced while good attenuation performance as the vibration insulation rubber is maintained and which is excellent in heat resistance and is preferably used as a vibration insulation rubber used under high temperature environment such as a torsional damper, an engine mount, a muffler hanger of an automobile.SOLUTION: The rubber composition for a vibration insulation rubber is provided which contains a rubber component containing natural rubber and butyl-based rubber, sulfur, alkylphenol disulfide and a bismaleimide compound and in which a blended percentage of the alkylphenol disulfide to the total amount of the bismaleimide compound and the alkylphenol disulfide is 0.08 to 0.8 by mass ratio. |
