China 'GB/T 17850.9-2021
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 17850.9-2021
Preparation of steel substrates before application of paints and related products—Specifications for non-metallic blast-cleaning abrasives—Part 9: Staurolite 涂覆涂料前钢材表面处理 喷射清理用非金属磨料的技术要求 第9部分:十字石
Issued Date:2021/8/20
Implemented Date:2022/3/1
Issued by:
The Standardization Administration of the People's Republic of China