This document specifies requirements and test methods for the resistance of letters on signs, plaques, and labels to rubbing and abrasion. It covers various types of markings and provides guidelines for evaluating their durability under different conditions. The scope includes the determination of the resistance of lettering to mechanical damage caused by friction or wear. The document outlines procedures for conducting tests and defines the criteria for assessing the performance of the marked surfaces. It is applicable to a wide range of products where legibility and durability of markings are essential. The content includes definitions, test equipment, sample preparation, and detailed test procedures. This standard is intended to be used by manufacturers, testing laboratories, and other relevant parties involved in the production and evaluation of marked products.
*** Please note: This description may not be accurate, please refer to the official documentation.