| 摘要 |
PROBLEM TO BE SOLVED: To provide a resin pulley that is used in an automobile, of which a resin part comprises a single resin material, and in which characteristics, such as heat resistance, calcium chloride and high strength, are kept in good balance.SOLUTION: A resin pulley includes a resin part molded integrally with a bearing. The resin part contains a resin component of 40-90 mass% and a reinforcement material of 10-60 mass%. The resin component comprises polyamide 410 having a number average molecular weight of 13000-30000.SELECTED DRAWING: Figure 1 |
