ISO 11127-4:2011
涂裝油漆和有關產品前鋼材預處理 噴射清理用非金屬磨料的試驗方法 第4部分:通過玻璃載片試驗評定硬度
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