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GB/T 12967.3-2022: Test methods for anodic oxidation coatings and organic polymer coatings on aluminium and aluminium alloys - Part 3: Salt spray test
Status: Valid GB/T 12967.3: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 12967.3-2022 | English | 439 |
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Test methods for anodic oxidation coatings and organic polymer coatings on aluminium and aluminium alloys - Part 3: Salt spray test
| Valid |
GB/T 12967.3-2022
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| GB/T 12967.3-2008 | English | 399 |
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Test Methods for anodic oxidation coatings of aluminium and aluminium alloys -- Part 3: Copper accelerated acetic acid salt spray test (CASS test）
| Obsolete |
GB/T 12967.3-2008
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| GB/T 12967.3-1991 | English | 199 |
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Anodizing of aluminium and aluminium alloys--Copper accelerated acetic acid salt spray test for anodic oxidation coatings (CASS test)
| Obsolete |
GB/T 12967.3-1991
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PDF similar to GB/T 12967.3-2022
Basic data | Standard ID | GB/T 12967.3-2022 (GB/T12967.3-2022) | | Description (Translated English) | Test methods for anodic oxidation coatings and organic polymer coatings on aluminium and aluminium alloys - Part 3: Salt spray test | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H20 | | Word Count Estimation | 22,296 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 12967.3-2022: Test methods for anodic oxidation coatings and organic polymer coatings on aluminium and aluminium alloys - Part 3: Salt spray test
---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 3.Salt spray test
ICS 25.220.20
CCSH20
National Standards of People's Republic of China
Replacing GB/T 12967.3-2008
Aluminum and aluminum alloy anodized films and organic polymer films
Test methods part 3.salt spray test
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 3 of GB/T 12967 "Testing Methods for Anodic Oxidation Films and Organic Polymer Films of Aluminum and Aluminum Alloys".
GB/T 12967 has released the following parts.
--- 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 12967.3-2008 "Test methods for anodic oxide films of aluminum and aluminum alloys - Part 3.Copper accelerated acetic acid salt spray
Compared with GB/T 12967.3-2008, except for structural adjustment and editorial changes, the main technical changes are as follows.
--- Changed the "scope" (see Chapter 1, Chapter 1 of the.2008 edition);
--- Changed the "normative references" (see Chapter 2, Chapter 2 of the.2008 edition);
--- Added "Terms and Definitions" (see Chapter 3);
--- Added "Method Overview" (see Chapter 4);
--- Changed the "test conditions" (see Chapter 5, Chapter 8 of the.2008 edition);
--- Added NSS test solution (see 6.2), AASS test solution (see 6.3), Prohesion test solution (see 6.5) and SWAAT test solution (see 6.5)
6.6);
--- Changed the provisions of "instruments and equipment" (see Chapter 7, Appendix A, Chapter 4 and Chapter 5 of the.2008 edition);
--- Changed the requirements for "sample" (see Chapter 8, Chapter 6 of the.2008 edition);
--- Changed the content of the test parameters of the salt spray test (see Chapter 8 of 9.4,.2008 edition);
--- Changed the "result representation" (see Chapter 10, Appendix B, Chapter 11 of the.2008 edition);
--- Changed the content of "Test Report" (see Chapter 11, Chapter 12 of the.2008 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 Weiye Aluminum Factory Group Co., Ltd., Fujian Nanping Aluminum Industry
Co., Ltd., Guangdong Xingfa Aluminum Co., Ltd., Tianjin Xinyilong Technology Co., Ltd., Guangdong Haomei New Materials Co., Ltd., Mingdiji
Group Co., Ltd., Jiangyin Hengxing Paint Co., Ltd., Foshan Sanshuifeng Aluminum Co., Ltd., Guangdong Academy of Sciences Industrial Analysis and Testing Center,
Guangdong Dongdun Qianjiang Powder Paint Scientific Research Co., Ltd., Shanghai Representative Office of Copano Experimental Equipment Co., Ltd., National Standard (Beijing) Inspection and Certification Co., Ltd.
company.
The main drafters of this document. Fan Zhigang, Zhang Wenmei, Liang Meichan, Liu Quanquan, Huang Wenliang, Shi Hongwei, Zhu Shian, Ni Jun, Hao Xuelong,
Lin Qianlong, Huang Miaoqing, Liu Yingkun, Zhu Xinping, Zhang Heng.
This document was first published in.1991, revised for the first time in.2008, and 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 12967.3 "Aluminum and aluminum alloy anode
Test methods for oxide films and organic polymer films - Part 3.Salt spray test
The salt spray test method can be used as a rapid evaluation method for the discontinuity, porosity and damage of aluminum and aluminum alloy anodic oxide films and organic polymer films.
It can also be used to compare the process quality of samples with similar film layers.
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
Method Part 3.Split Beam Microscopy, GB/T 8752 "Continuity Test Method for Anodized Thin Anodized Films of Aluminum and Aluminum Alloys"
Copper Sulfate Method", GB/T 8753.1 "Evaluation Method for Sealing Quality of Anodized Oxidation 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 a method for evaluating the wear resistance of the anodic oxide film and the organic polymer film layer.
--- Part 3.Salt spray test. The purpose is to establish the salt spray corrosion resistance evaluation of anodic oxide film and organic polymer film layer
method.
--- 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 3770.1976 "Copper Accelerated Acetate Spray Test (CASS Test) for Metal Coatings", which was the first
GB/T 12967.3-1991 "Copper Accelerated Acetate Spray Test (CASS Test) for Anodized Films of Aluminum and Aluminum Alloys" was established.
In.2008, my country revised and adopted ISO 9227.2006 "Salt Spray Test for Artificial Atmosphere Test", referring to JISH8681-2-1999 "Aluminum and Aluminum
The technical content of the test method for corrosion resistance of anodized films of alloys - Part 2.CASS test, published GB/T 12967.3-2008
"Test methods for anodic oxide films of aluminum and aluminum alloys - Part 3.Copper accelerated acetic acid salt spray test (CASS test)", instead of GB/T 12967.3-
In.1991, the test temperature was changed, and the recommended test period, the handling of the samples after the test and the schematic diagram of the salt spray box were added. In recent years, various
The anodic oxide film and organic polymer film made of surface film layer preparation technology are more and more widely used in aluminum alloy products, and have broad development prospects
The existing standards cannot meet the evaluation requirements of the salt spray corrosion resistance of different types of coatings, so it is necessary to specify in GB/T 12967.3
Salt spray test methods for different types of membranes to meet the testing and evaluation needs of different membrane products.
Due to many factors affecting metal corrosion, salt spray corrosion resistance can not replace the corrosion resistance of other media. of different film systems
There is a difference between the actual environmental corrosion resistance and the salt spray corrosion resistance. The method specified in this document can be used for the corrosion resistance of aluminum and aluminum alloy coating materials
However, it should be noted that there are differences in the resistance to salt spray corrosion of different substrates.
This document focuses on supplementing the neutral salt spray test, glacial acetic acid salt spray test, and circulating electrolyte of anodized composite membranes and organic polymer membranes.
Spray/dry test, cyclic acid seawater salt spray test, cyclic accelerated salt spray test.
Aluminum and aluminum alloy anodized films and organic polymer films
Test methods part 3.salt spray test
1 Scope
This document gives an overview of the salt spray test method for aluminum and aluminum alloy anodic oxide films and organic polymer films, and specifies the test conditions, test
Agents, instruments and equipment, samples, test procedures, results presentation and test reports, etc.
This document is applicable to the determination of salt spray corrosion resistance of aluminum and aluminum alloy anodic oxide films, anodic oxide 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 1766 Paint and varnish coating aging rating 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 9754 Paints and varnishes Determination of 20°, 60° and 85° specular gloss of paint films without metallic pigments
GB/T 10125 Artificial Atmosphere Corrosion Test Salt Spray Test
GB/T 10587 Technical conditions of salt spray test chamber
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
3 Terms and Definitions
GB/T 8005.3 and the following terms and definitions apply to this document.
3.1
peeling peeling
The phenomenon that the film layer falls off in a large area due to loss of adhesion.
[Source. GB/T 5206-2015, 2.187, with modifications]
3.2
spotted mottling
Irregular shapes, inconsistent color and/or gloss on the surface of the film layer, resulting in randomly distributed areas with an uneven appearance.
[Source. GB/T 5206-2015, 2.160, with modifications]
3.3
cracking
The phenomenon of membrane rupture.
[Source. GB/T 5206-2015, 2.65, with modifications]
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