BS EN ISO 3127:2017规定了 抗外部冲击力的测定 圆形截面热塑性塑料管；它是 称为24小时制。购买本文件时可获得的所有当前修订均包含在购买本文件中。

BS EN ISO 3127:2017 specifies a method for the determination of the resistance to extemal blows of thermoplastics pipes of circular Cross-section; it is called the round-the-clock method.All current amendments available at time of purchase are included with the purchase of this document.