| 摘要 |
A shoe for a tensioner device and chain guide is formed a polyamide 66 or 46 resin mold product having a relative viscosity more than 100 (90% formic acid method). A skin layer of the resin mold product includes a non-spherulite area less than 100 mum in thickness. The shoe excels in the wear resistance, slidability, impact resistance, heat resistance, and oil resistance, has a high degree of freedom in the shape, and excels in the workability.
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