GB/T 9791-2025
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 9791-2025
Metal and Other Inorganic Coatings - Chromate Conversion Coatings for Zinc, Cadmium, Aluminum-Zinc Alloys, and Zinc-Aluminum Alloys - Test Methods 金属及其他无机覆盖层 - 锌、镉、铝-锌合金和锌-铝合金的铬酸盐转化膜 - 试验方法
Issued Date:2025/10/31
Implemented Date:2026/5/1
Issued by:
The Standardization Administration of the People's Republic of China