Home / Standards / GB/T 12967.6-2022 GB/T 12967.6-2022 Active Test methods for anodic oxidation coatings and organic polymer coatings on aluminium and aluminium alloys—Part 6: Determination of color and appearance 铝及铝合金阳极氧化膜及有机聚合物膜检测方法 第6部分：色差和外观质量 Standard Type GBT ICS 25.220.20 CCS H20 Status 现行 Issue Date 2022-03-09 Implementation 2022-10-01 Responsible Dept 中国有色金属工业协会 Drafting Unit 中国有色金属工业协会