Paints and varnishes—Evaluation of degradation of coatings—Designation of quantity and size of defects,and of intensity of uniform changes in appearance—Part 3:Assessment of degree of rusting
IDT ISO 4628-3:2003
全国涂料和颜料标准化技术委员会(SAC/TC 5)
GB/T 30789的本部分给出了通过与标准图片比较评定生锈等级的方法。
本部分给出的标准图片显示了涂漆钢材表面穿透涂层的锈蚀和可观察到的涂层下锈蚀的综合破坏等级。
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