Toray Industries, Inc.

Koki Yoshino

Masayuki Koshi

Kenji Ishitake

A fiber-reinforced thermoplastic resin substrate has good mechanical properties. The fiber-reinforced thermoplastic resin substrate includes a plurality of continuous reinforcing fibers and a polyphenylene sulfide resin with which the plurality of continuous reinforcing fibers are impregnated, wherein the polyphenylene sulfide resin has a weight average molecular weight of 75,000 or more and 150,000 or less, and the polyphenylene sulfide resin has an ash content of 0.001 wt % or more and 0.30 wt % or less.

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Nagoya, Japan

Koki Yoshino