QB/T 5419-2019 "Technical Requirements for Kitchen and Bathroom Hardware Coatings and Platings" stipulates the terminology, classification, requirements and test methods for kitchen and bathroom Hardware product coatings and platings. It is applicable to surface preparation such as Eletroplating, organic lame plating, dusting, physical vapor deposition (VD) and anodic oxidation of aluminum alloys for all copper alloys, zinc alloys, aluminum alloys, plastics, stainless steel and other substrates. The standard contains a number of necessary normative reference documents, such as paint film impact resistance measurement method, metal coating thickness measurement, etc., to ensure that the coating and platings mass meet the expected standards.