标准摘要
[中文适用范围]： 取消并取代第一版（1980）。 规定了圆形截面热塑性塑料管材抗外部冲击能力的测定方法（昼夜法）。 该方法适用于在 0 ℃下测试的孤立批次的管道。 [外文原描述]： Cancels and replaces the first edition (1980). Specifies a method for the determination of the resistance to external blows of thermoplastics pipes of circular cross-section (round-the-clock method). This method is applicable to isolated batches of pipe tested at 0 °C.
英文名称Thermoplastics pipes — Determination of resistance to external blows — Round-the-clock method