KS M ISO 11127-4-2012 涂料和相关产品使用前钢衬底的制备.非金属喷砂清理磨料的试验方法.第5部分:玻璃划痕试验法评定硬度
Preparation of steel substrates before application of paints and related products-Test methods for non-metallic blast-cleaning abrasives-Part 4:Assessment of hardness by a glass slide test