Home / Standards / GBT 12967.4-2022 GBT 12967.4-2022 Test methods for anodic oxide coatings and organic polymer coatings on aluminium and aluminium alloys—Part 4: Light and heat resistance 铝及铝合金阳极氧化膜及有机聚合物膜检测方法 第4部分:耐光热性 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A