China 'GB/T 9258.3-2025
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 9258.3-2025
Abrasives for coated abrasives - Testing and marking of particle size composition - Part 3: Micropowder P240-P5000 涂附磨具用磨料-粒度组成的检测和标记-第3部分:微粉P240~P5000
Issued Date:2025/8/1
Implemented Date:2026/2/1
Issued by:
The Standardization Administration of the People's Republic of China