| 摘要 |
PROBLEM TO BE SOLVED: To provide a medical use plug which has further improved liquid leakage resistance and re-sealability especially.SOLUTION: The medical use plug comprises a medical resin composition which includes: (a) 40-150 pts.mass of a block copolymer and/or a hydrogenated block copolymer obtained by hydrogenating the block copolymer, having the mass average molecular weight of 50,000-550,000, wherein the block copolymer (not hydrogenated) includes at least two polymer blocks A mainly consisting of an aromatic vinyl compound and at least one polymer block B mainly consisting of a conjugated diene; (b) 1-45 pts.mass of a hydrogenation petroleum resin and/or a phenylene ether based resin; (c) 10-60 pts.mass of a peroxide decomposition type olefinic resin; and (d) 40-280 pts.mass of a non-aromatic based rubber softener. |
