China Standard: GB/T 5237.2-2017 Wrought aluminium alloy extruded profiles for architecture—Part 2:Anodized profiles
Description:... This part of GB/T 5237 specifies the terms and definitions, requirements, test methods, inspection rules, marking, packaging, transportation, storage and quality certificates and order forms (or contracts) of anodized profiles.
This section applies to aluminum alloy hot extruded profiles (hereinafter referred to as profiles) for surface anodizing, electrolytic coloring or dyeing. Other aluminum alloy processed materials with the same application and surface treatment methods can also be referred to in this section.
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