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塑料软管对塑料盖的要求介绍

塑料盖通常由聚丙烯(PP)注塑而成,优质的塑料盖应无明显的缩水纹和披锋,合模线应平滑,尺寸准确,并且要与管头配合顺畅,正常使用时不产生脆裂、裂痕等结构损坏。例如,在开盖力在范围内,翻盖应耐翻折300次以上时,且无断裂现象。

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