Ykk Corporation

Norihide Ozaki

Kazuya Mizumoto

Hironobu Wakasa

Yasuhiro Yokogoshi

Provided is a polyamide resin composition for a slide fastener that includes at least one polyamide resin and reinforcing fibers, wherein a total mass of the polyamide resin and the reinforcing fibers accounts for 90% by mass or more of the composition; wherein poly(m-xylylene adipamide) (MXD 6) accounts for 60% by mass or more of the polyamide resin; wherein reinforcing fibers account for 45 to 70% by mass of the total mass of the polyamide resin and the reinforcing fibers; wherein both first reinforcing fibers having a fiber diameter of from 5 to 7 &#x3bc;m and second reinforcing fibers having a fiber diameter larger than that of the first reinforcing fibers by more than 2 &#x3bc;m account for 90% by mass or more of the reinforcing fibers; and wherein the first reinforcing fibers account for 20% by mass or more and less than 50% by mass of the reinforcing fibers.

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Kurobe, Japan

Norihide Ozaki