| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition for washing mold whose washing effect is sufficient also for a rubber compsn. much in silica compounding quantity. SOLUTION: A rubber compsn. for washing a mold contains 100 pts.wt. of a rubber component containing 30 pts.wt. or more of natural rubber and/or diene synthetic rubber, 20-100 pts.wt. of an adsorbent, 1-50 pts.wt. of an amino- alcohol compd., 1-20 pts.wt. of a cyclic amide compd. and 1-30 pts.wt. of crown ether.
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