ISO 13968塑料管道系统.热塑性塑料管.环挠性的测定—标准名称

ISO 13968 Plastics piping and ducting systems - Thermoplastics pipes - Determination of ring flexibility

ISO 13968塑料管道系统.热塑性塑料管.环挠性的测定

ISO 13968塑料管道系统.热塑性塑料管.环挠性的测定—适用范围

Scope：

This International Standard specifies a method for testing the ring flexibility of a thermoplastics pipe having a circular cross-section. The method enables determination of the deflection, and necessary force, at which physical damage, if any, occurs within the specified diametric deflection.

ISO 13968塑料管道系统.热塑性塑料管.环挠性的测定—引用文件

ISO 9969, Thermoplastics pipes ⎯ Determination of ring stiffness