Preparation of steel substrates before application of paints and related products—Specifications for metallic blast-cleaning abrasives—Part 3:High-carbon cast-steel shot and grit
IDT ISO 11124-3:1993
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会
GB/T 18838的本部分规定了喷射清理用的14种等级的高碳铸钢丸和12种等级的高碳铸钢砂磨料的技术要求，包括硬度、密度、缺陷和结构要求以及化学成分等。
GB/T 18838的本部分规定的要求只适用于未经使用过的磨料，不适用于使用过的磨料。
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