意义和目的
5.1 该测试方法为热塑性路面标记材料的颜色测定提供了标准程序. The test method can be used in conjunction with various thermoplastic pavement marking specifications to determine whether the material complies with the described specifications. Manufacturers of these materials can also use this method to determine the uniformity of thermoplastic pavement marking materials between batches.

5.2 Color standards and colorimeters are slightly different. This test method is only applicable if the results are reported and information on the instrument model name and calibration standard is listed.

美国材料试验协会D 4960-2020 “热塑性道路标志材料的颜色评估”

范围
1.1 This test method describes the instrumental determination of the color of thermoplastic pavement marking materials using the CIEY, X, y color measurement system.

1.2 以 SI 单位表示的值应被视为标准. 括号内的数值仅供参考.

1.3 本标准并非旨在解决所有安全问题, 如果有的话, 与其使用相关. 本标准的使用者有责任建立适当的安全机制, 健康和环境实践，并在使用前确定监管限制的适用性.

1.4 本国际标准是根据《关于制定国际标准的原则的决定》中确立的国际公认的标准化原则制定的, 世界贸易组织贸易技术壁垒委员会发布的指南和建议.