GB/T 18838.2-2017

Preparation of steel substrates before application of paints and related products—Specifications for metallic blast-cleaning abrasives—Part 2: Chilled-iron grit

涂覆涂料前钢材表面处理 喷射清理用金属磨料的技术要求 第2部分：冷硬铸铁砂