
Metallic and other inorganic coatings—Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-aluminium alloys—Test methods
STANDARD published on 31.10.2025
Designation standards: GB/T 9791-2025
Note: Execute Date: may 2026
Publication date standards: 31.10.2025
Country: Chinese technical standard
Category: Technical standards GB