Preparation of steel substrates before application of paints and related products—Surface roughness characteristics of blast-cleaned steel substrates—Part 2:Method for the grading of surface profile of abrasive blast-cleaned steel—Comparator procedure
IDT ISO 8503-2:1988
全国涂料和颜料标准化技术委员会涂漆前金属表面处理及涂漆工艺分技术委员(SAC/TC 5/SC 6)
GB/T 13288的本部分规定了表面粗糙度等级目视和触摸评定法，采用ISO 8504-2规定的任何一种磨料喷射清理所产生的钢材表面粗糙度均可按本部分的规定进行评定。
本方法采用ISO表面粗糙度比较样块，在现场评定涂覆涂料前磨料喷射清理后的钢材表面粗糙度。
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