This part of GB/T 5237 specifies the terms and definitions, requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificate and order form (or contract) of the powder coating. This part applies to electrostatic powder coatings for construction using thermosetting polyester, polyurethane, chlorotrifluoroethylene-vinyl ether (FEVE) powder and thermoplastic polyvinylidene fluoride (PVDF) powder (hereinafter referred to as Profile). Other aluminum alloy processed materials with the same application and surface treatment methods can also be referred to in this section.
