标准摘要
[中文适用范围]： 本文件规定了一种移动方法，用于评估汽车饰面对投射到测试表面上的冷硬铁砂的耐受性，以模拟石片碎裂的效果。 本文件中指定的测试结果与中指定的结果不可比较 [外文原描述]： This document specifies a mobile method for evaluating the resistance of automotive finishes to chilled-iron grit projected onto the surface under test to simulate the effect of stone chipping. Results from the test specified in this document are not comparable with results specified in ISO 20567 - 1 .
英文名称Paints and varnishes — Determination of stone-chip resistance of coatings — Part 4: Mobile multi-impact testing on a small testing area