| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber vibration isolator composition containing a natural rubber as one of essential rubber components which simultaneously realizes thermal aging resistance and mechanical fatigue resistance sufficient for its application to automobile engine mounts, etc. SOLUTION: The natural rubber containing≤0.05 wt.% foreign matters prescribed in JIS K 6352 is used. As a vulcanizing agent, 0.4-1.5 pts.wt. sulfur is added to 100 pts.wt. rubber components comprising the natural rubber alone or a blend of the natural rubber and a butadiene rubber. COPYRIGHT: (C)2004,JPO
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