1.1 本试验方法包括通过与摄影标准进行比较来评估外部油漆的开裂程度。 1.2 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。 ====意义和用途====== 4.1 漆膜在使用过程中可能出现开裂故障。该试验方法提供了一种通过比较图形标准来评估故障程度的方法。

1.1 This test method covers the evaluation of the degree of cracking of exterior paints by comparison with photographic standards. 1.2 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. ====== Significance And Use ====== 4.1 Cracking failure of paint films can occur in use. This test method provides a means of evaluating the degree of the failure by comparing the pictorial standards.