1.1 本规范规定了艺术家彩色铅笔的组成、性能和标签要求。 1.2 本规范涵盖车辆和添加剂。包括标识、耐光性和一致性要求。 1.3 彩色铅笔样本通过窗户玻璃暴露于自然日光和模拟窗户玻璃过滤日光辐射，以确定每支铅笔的耐光性等级。 1.4 以国际单位制表示的数值应视为标准。括号中给出的值仅供参考。 1.5 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。

1.1 This specification establishes requirements for composition, performance, and labeling of artists’ colored pencils. 1.2 This specification covers vehicles and additives. Requirements are included for identification, lightfastness, and consistency. 1.3 Colored pencil specimens are exposed to both natural daylight through window glass and simulated window glass-filtered daylight radiation to determine the lightfastness rating for each pencil. 1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.