EN ISO 11127-4:2011
使用涂料及相关产品前钢材的预处理.喷丸处理非金属磨料试验方法.第4部分:通过玻璃划痕试验评定硬度
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