标准摘要
[中文适用范围]： 本文件规定了具有抗机械穿孔性能的非金属嵌件的要求和测试方法，旨在用作 PPE 鞋类的组件（例如，如所描述的） [外文原描述]： This document specifies requirements and test methods for the non-metallic inserts with resistance against mechanical perforation, intended to function as components of PPE footwear (e.g. as described by ISO 20345, ISO 20346 and ISO 20347).
英文名称Foot and leg protectors — Requirements and test methods for footwear components — Part 4: Non-metallic perforation resistant inserts