China 'GB/T 18570.9-2025
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 18570.9-2025
Surface Preparation of Steel Before Coating - Tests for Assessment of Surface Cleanliness - Part 9: In-situ Conductivity Determination of Water-Soluble Salts 涂覆涂料前钢材表面处理-表面清洁度的评定试验-第9部分:水溶性盐的现场电导率测定法
Issued Date:2025/8/1
Implemented Date:2026/2/1
Issued by:
The Standardization Administration of the People's Republic of China