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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
Status: Valid GB/T 12967.4: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 12967.4-2022 | English | 299 |
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Test methods for anodic oxidation coatings and organic polymer coatings on aluminium and aluminium alloys - Part 4: Determination of ultraviolet light and heat resistance
| Valid |
GB/T 12967.4-2022
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| GB/T 12967.4-2014 | English | 319 |
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Anodizing of aluminium and aluminium alloys -- Determination of the fastness to ultraviolet light of coloured anodic oxidation coatings
| Obsolete |
GB/T 12967.4-2014
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| GB/T 12967.4-1991 | English | 199 |
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Anodizing of aluminium and aluminium alloys--Determination of the fastness to ultraviolet light of coloured anodic oxidation coatings
| Obsolete |
GB/T 12967.4-1991
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PDF similar to GB/T 12967.4-2022
Basic data | Standard ID | GB/T 12967.4-2022 (GB/T12967.4-2022) | | Description (Translated English) | Test methods for anodic oxidation coatings and organic polymer coatings on aluminium and aluminium alloys - Part 4: Determination of ultraviolet light and heat resistance | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H20 | | Word Count Estimation | 15,191 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | 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
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Test methods for anodic oxidation coatings and organic polymer coatings on aluminium and aluminium alloys - Part 4.Determination of ultraviolet light and heat resistance
ICS 25.220.20
CCSH20
National Standards of People's Republic of China
Replacing GB/T 12967.4-2014
Aluminum and aluminum alloy anodized films and organic polymer films
Test methods - Part 4.Determination of resistance to light and heat
Published on 2022-03-09
2022-10-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
drafted.
This document is part 4 of GB/T 12967 "Testing Methods for Anodic Oxidation Films and Organic Polymer Films of Aluminum and Aluminum Alloys". GB/T 12967
The following sections have been published.
--- Part 1.Determination of abrasion resistance;
--- Part 3.Salt spray test;
--- Part 4.Determination of light and heat resistance;
--- Part 5.Determination of rupture resistance;
--- Part 6.Color difference and appearance quality.
This document replaces GB/T 12967.4-2014 "Test methods for anodic oxide films of aluminum and aluminum alloys - Part 4.Colored anodic oxide films
Determination of Ultraviolet Light Resistance", compared with GB/T 12967.4-2014, except for structural adjustment and editorial modification, the main technical changes
as follows.
--- Changed the applicable object of "scope", adding aluminum and aluminum alloy anodized composite films and organic polymer films (see Chapter 1,
Chapter 1 of the.2014 edition);
--- Added "normative references" (see Chapter 2);
--- Added "Terms and Definitions" (see Chapter 3);
--- Added the principle of weather resistance test and heat resistance test in "Method Overview" (see Chapter 4, Chapter 2 of the.2014 edition);
--- Added the content of fluorescent ultraviolet and xenon light sources in "Instrument and Equipment" (see Chapter 5, Appendix A, Chapter 3 of the.2014 edition);
--- Added "sample" (see Chapter 6);
--- In the "test procedure", the provisions for specimen placement have been changed (see 7.1, 4.1 of the.2014 edition), and the natural exposure test, fluorescence
UV weather resistance test, xenon lamp accelerated weather resistance test and heat resistance test parameters (see 7.5);
--- Changed the "result representation" (see Chapter 8, Appendix B, Chapter 5 of the.2014 edition);
--- Changed the "Test Report" (see Chapter 9, Chapter 6 of the.2014 edition).
Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by China Nonferrous Metals Industry Association.
This document is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243).
This document is drafted by. Guohe General Testing Evaluation and Certification Co., Ltd., Guangdong Xingfa Aluminum Co., Ltd., Fujian Minfa Aluminum Co., Ltd.
Co., Ltd., Sichuan Samsung New Material Technology Co., Ltd., Shandong Huajian Aluminum Group Co., Ltd., Guangdong Academy of Sciences Industrial Analysis and Inspection
Testing Center, Foshan Tuyi Decoration Material Technology Co., Ltd., Guangdong Jianmei Aluminum Profile Factory (Group) Co., Ltd., Guangdong Huajiang Powder Technology Co., Ltd.
Co., Ltd., Guangxi Dunqianjiang Powder Paint Scientific Research Co., Ltd., National Standard (Beijing) Inspection and Certification Co., Ltd., American Copano Experimental Equipment Co., Ltd.
Shanghai Representative Office.
The main drafters of this document. Hao Xuelong, Fan Zhigang, Liang Jinpeng, Zhu Yaohui, Mou Yongtao, Zhang Hongliang, Ma Wenhua, Wu Yanjun, Xu Shiguang,
Ge Qing, Li Qicong, Liu Chenze, Zhang Heng, Lu Lu.
This document was first published in.1991, and was revised for the first time in.2014.This is the second revision.
Introduction
Aluminum and aluminum alloy anodic oxide films and organic polymer films are mainly used for the protection and decoration of aluminum and aluminum alloy surfaces.
It is widely used in many fields such as furniture, home appliances, decoration, food packaging, mechanical parts and functional materials. GB/T 12967.4 "Aluminum and aluminum alloy anode
Test methods for oxide films and organic polymer films - Part 4.Determination of light and heat resistance
Weather resistance and heat resistance test methods for organic polymer films, which can be used to evaluate the discoloration, loss
Test methods for aging damage such as light, chalking, corrosion, cracking, etc., can also be used to compare the process quality of samples with similar coatings.
GB/T 12967 "Testing Methods for Anodic Oxidation Films and Organic Polymer Films of Aluminum and Aluminum Alloys" and GB/T 8014.1 "Aluminum and Aluminum Alloy Anodes"
Measurement method of oxide film thickness - Part 1.Measurement principle
Measurement method of degree of hardness - Part 2.Mass loss method, GB/T 8014.3 "Measurement method of thickness of anodic oxide film of aluminum and aluminum alloy
Part 3.Spectral beam microscopy, GB/T 8752 "Continuity test method for anodized thin anodic oxide films of aluminum and aluminum alloys"
Acid copper method", GB/T 8753.1 "Evaluation method for sealing quality of anodized oxide films of aluminum and aluminum alloys - Part 1.Acid etching weight loss
Law", GB/T 8753.3 "Assessment Method for Sealing Quality of Anodized Oxidation Films of Aluminum and Aluminum Alloys Part 3.Admittance Method",
GB/T 8753.4 "Assessment Method for Sealing Quality of Anodized Oxidation Films of Aluminum and Aluminum Alloys Part 4.Staining Spots After Acid Treatment
Law", GB/T 8754 "Determination of Insulation Properties of Anodized Films of Aluminum and Aluminum Alloys and Organic Polymer Films", GB/T 20503 "Aluminum and Aluminum Alloys"
Determination of Specular Reflectance and Specular Gloss of Anodized Anodized Films", GB/T 20504 "Aluminium and Aluminum Alloy Anodic Oxidation
Standard method for the determination of image clarity of chemical film", GB/T 20505 "Determination of surface reflection characteristics of anodized anodic oxide film of aluminum and aluminum alloys"
The Definite Integrating Sphere Method together constitutes the standard system of detection methods for aluminum and aluminum alloy anodic oxide films and organic polymer films.
GB/T 12967 consists of five parts.
--- Part 1.Determination of abrasion resistance. The purpose is to establish the wear resistance evaluation method of anodic oxide film and organic polymer film layer;
--- Part 3.Salt spray test. The purpose is to establish the evaluation method of salt spray resistance of anodic oxide film and organic polymer film layer;
--- Part 4.Determination of light and heat resistance. The purpose is to establish the weather resistance and resistance of the anodic oxide film and the organic polymer film layer.
Thermal performance evaluation method;
--- Part 5.Determination of rupture resistance. The purpose is to establish the evaluation of crack resistance of anodic oxide film and organic polymer film layer
method;
--- Part 6.Color difference and appearance quality. The purpose is to establish the color difference and appearance quality of the anodized film and organic polymer film layer
Evaluation method.
In.1991, my country identically adopted ISO 6581.1980 "Measurement of UV resistance of anodized and colored anodic oxide films of aluminum and aluminum alloys".
For the first time, GB/T 12967.4-1991 "Determination of Ultraviolet Light Resistance of Anodized Colored Anodized Films of Aluminum and Aluminum Alloys" was formulated.
In.2014, my country revised and adopted ISO 6581.2010 "Determination of UV resistance of anodized and colored anodic oxide films of aluminum and aluminum alloys",
Published GB/T 12967.4-2014 "Testing methods for anodized films of aluminum and aluminum alloys - Part 4.Colored anodic oxide films are resistant to ultraviolet light
Determination of Performance". GB/T 12967.4-2014 replaces GB/T 12967.4-1991, increasing the scope of application, control samples and tests
reporting requirements. In recent years, anodized films or organic polymer texture films made of various surface film preparation techniques and texture processing methods
The application of aluminum alloy products is more and more extensive, and the development prospect is broad. The existing standards cannot meet the weather resistance and heat resistance of different types of films.
Therefore, it is necessary to specify in GB/T 12967.4 the light and heat resistance test and evaluation methods applicable to different types of films, so as to be suitable for
It should meet the performance testing and evaluation requirements of different film layers.
This document focuses on supplementing the natural exposure test of anodized composite film, organic polymer film, fluorescent UV weather resistance test, xenon lamp plus
Rapid weather resistance test and heat resistance test and evaluation method of anodized films and organic polymer films.
Aluminum and aluminum alloy anodized films and organic polymer films
Test methods - Part 4.Determination of resistance to light and heat
1 Scope
This document gives an overview of the methods for the determination of light and heat resistance of aluminum and aluminum alloy anodic oxide films and organic polymer films, and specifies the instruments
Equipment, samples, test procedures, result presentation and test report, etc.
This document is applicable to the determination of weather resistance and heat resistance of aluminum and aluminum alloy anodized films, anodized composite films, and organic polymer films.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB/T 250 Textile color fastness test gray sample card for evaluating discoloration
GB/T 1766 Paint and varnish coating aging rating method
GB/T 4957 Non-conductive coating layer thickness measurement on non-magnetic base metal by eddy current method
GB/T 6461 Rating of Specimens and Specimens After Corrosion Tests of Metal and Other Inorganic Coatings on Metal Substrates
GB/T 8005.3 Terms of Aluminum and Aluminum Alloys Part 3.Surface Treatment
GB/T 9276 Coating natural weather exposure test method
GB/T 9754 Paints and varnishes Determination of 20°, 60° and 85° specular gloss of paint films without metallic pigments
GB/T 9761 Visual Colorimetry of Paints and Clearcoats
GB/T 11186.3 Measurement method for color of coating film Part 3.Calculation of color difference
GB/T 12967.6 Test methods for anodic oxide films and organic polymer films of aluminum and aluminum alloys - Part 6.Color difference and appearance quality
GB/T 16422.1 Plastic Laboratory Light Source Exposure Test Method Part 1.General
GB/T 16422.2 Plastic Laboratory Light Source Exposure Test Method Part 2.Xenon Arc Lamp
GB/T 16422.3 Plastic Laboratory Light Source Exposure Test Methods Part 3.Fluorescent UV Lamps
3 Terms and Definitions
Terms and definitions defined in GB/T 8005.3 apply to this document.
3.1
control sample controlsample
A sample agreed upon between the supplier and the purchaser to limit or control the performance of the product.
4 Method overview
When the product is affected by solar radiation, thermal radiation and water erosion, aging phenomena such as discoloration, loss of light, chalking, corrosion and cracking will occur. for
To determine the effects of light, heat and water on the properties of the product film, conduct natural exposure tests according to the following methods, or in controlled laboratory environmental conditions
Accelerated weather resistance test and heat resistance test are carried out under the following conditions. According to the aging of the samples after the test, evaluate the light and heat resistance of the product in different environments
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