GB/T 12967.4-2022
Test methods for anodic oxidation coatings and organic polymer coatings on aluminium and aluminium alloys—Part 4: Determination of ultraviolet light and heat resistance (English Version)

Scope: This document gives an overview of the methods for measuring the light and heat resistance of aluminum and aluminum alloy anodic oxide films and organic polymer films, and specifies the equipment, samples, test procedures, result presentation and test reports. This document applies to the determination of the weather resistance and heat resistance of aluminum and aluminum alloy anodized films, anodized composite films, and organic polymer films.

GB/T 12967.4-2022 Referenced Document

GB/T 11186.3 Methods for measuring the colour of paint films--Part 3:Calculation of colour differences
GB/T 12967.6 Test methods for anodic oxidation coatings and organic polymer coatings on aluminium and aluminium alloys—Part 6: Determination of color and appearance
GB/T 16422.1 Plastics—Methods of exposure to laboratory light sources—Part 1:General guidance
GB/T 16422.3 Plastics—Methods of exposure to laboratory light sources—Part 3: Fluorescent UV lamps*， 2022-04-15 Update
GB/T 1766 Paints and varnishes.Rating schemes of degradation of coats
GB/T 250 Textiles.Tests for colour fastness.Grey scale for assessing change in colour
GB/T 4957 Non-conductive coatings on non-magnetic basis metals--Measurement of coating thickness-Eddy current
GB/T 6461 Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates--Rating of test specimens and manufactured articles subjected to corrosion tests
GB/T 8005.3 Aluminium and aluminium alloys. Terms and definitions. Part 3: Surface treatment
GB/T 9276 Methods of exposure to natural weathering of coating
GB/T 9754 Paints and varnishes.Determination of specular gloss of non-metallic paint films at 20°,60°and 85°
GB/T 9761 Paints and varnishes. Visual comparison of the colour of paints

2022 GB/T 12967.4-2022 Test methods for anodic oxidation coatings and organic polymer coatings on aluminium and aluminium alloys—Part 4: Determination of ultraviolet light and heat resistance
2014 GB/T 12967.4-2014 Test methods for anodic oxidation coatings of aluminium and aluminium alloys.Part 4:Determination of the comparative fastness to ultraviolet light and heat of coloured anodic oxidation coatings
1991 GB/T 12967.4-1991 Anodizing of aluminium and aluminium alloys--Determination of the fastness to ultraviolet light of coloured anodic oxidation coatings