| 摘要 |
PROBLEM TO BE SOLVED: To provide a plastic hook excellent in a caulking impact strength and a tear strength by using a specified polyacetal resin in the plastic hook made of the polyacetal resin for use in clothes or the like. SOLUTION: The polyacetal resin having a rate of crystallization of 50-200 sec and a fluidity (an MFR value) of 5-40 g/10 min is used for the plastic hook. COPYRIGHT: (C)2004,JPO&NCIPI
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