摘要 |
PROBLEM TO BE SOLVED: To provide a mat capable of preventing the oozing of a plasticizer and further preventing the oozing of contaminants. SOLUTION: The rubber compd. of the mat which is formed by joining a mat base material to the rear surface of a mat raw sheet and of which the mat base material is crosslinked rubber formed by subjecting the rubber compd. to a crosslinking treatment is an ethylene-propylene rubber compd. The rubber compd. contains the plasticizer. The plasticizer is a high-polymer plasticizer having a mol.wt. of 1000 to 5000.
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