GB/T 2423.17-2024 PDF EnglishUS$380.00 · In stock · Download in 9 seconds
GB/T 2423.17-2024: Environmental testing - Part 2: Test methods - Test Ka: Salt mist Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 2423.17: Historical versions
Similar standardsGB/T 2423.17-2024: Environmental testing - Part 2: Test methods - Test Ka: Salt mist---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT2423.17-2024GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 19.040 CCS K 04 GB/T 2423.17-2024 / IEC 60068-2-11.2021 Replacing GB/T 2423.17-2008 Environmental Testing – Part 2.Test Methods – Test Ka. Salt Mist (IEC 60068-2-11.2021, Environmental Testing – Part 2-11.Test Methods – Test Ka. Salt Mist, IDT) Issued on: AUGUST 23, 2024 Implemented on: MARCH 1, 2025 Issued by. State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of ContentsForeword... 4 Introduction... 6 1 Scope... 7 2 Normative References... 7 3 Terms and Definitions... 7 4 General... 8 5 Salt Solution... 8 5.1 Preparation of salt solution... 8 5.2 pH adjustment... 8 5.3 Filtration... 9 5.4 Re-use... 9 6 Test Apparatus... 9 6.1 Test chamber... 9 6.2 Atomizer(s)... 10 6.3 Air supply... 10 6.4 Collecting devices... 11 6.5 Method for evaluating chamber corrosivity... 11 7 Test Specimens... 11 8 Initial Measurements... 11 9 Pre-Conditioning... 11 10 Arrangement of the Test Specimens... 11 11 Operating Conditions... 12 12 Duration of Test... 13 13 Recovery (at the End of Testing)... 14 14 Final Measurements... 14 15 Information to be Given in the Relevant Specification... 14 16 Test Report... 14 Annex A (Informative) Examples of Test Apparatus for Salt Mist Test... 16 Annex B (Informative) Method for Evaluating Corrosivity of the Apparatus... 18 B.1 General... 18 B.2 Reference specimens... 18 B.3 Arrangement of the reference specimens... 19 B.4 Duration of test... 19 B.5 Determination of mass loss (mass per area)... 19 B.6 Satisfactory performance of apparatus... 19 Annex NA (Informative) Parts of GB/T 2423... 20 Bibliography... 24ForewordThis Document was drafted as per the rules specified in GB/T 1.1-2020 Directives for Standardization – Part 1.Rules for the Structure and Drafting of Standardizing Documents. This Document is Part 17 of GB/T 2423.The published parts of GB/T 2423 can refer to Annex NA. This Document replaced GB/T 2423.17-2008 Environmental Testing for Electric and Electronic Products - Part 2.Test Method - Test Ka. Salt Mist. Compared with GB/T 2423.17- 2008, the major technical changes of this Document are as follows besides the structural adjustments and editorial modifications. a) Change the content of "Scope" (see Clause 1 of this Edition; Clause 1 of the 2008 Edition); b) Add "General" (see Clause 4 of this Edition); c) Change "salt mist" into "salt solution"; and change the content (see Clause 5 of this Edition; Clause 3 of the 2008 Edition); d) Change the content of "test equipment" (see Clause 6 of this Edition; Clause 2 of the 2008 Edition); e) Add a Clause on "Specimens" (see Clause 7 of this Edition); f) Adjust the content of "Notes" in the Clause on "Pre-conditioning" to the main text (see Clause 9 of this Edition; Clause 5 of the 2008 Edition); g) Add a Clause on "Arrangement of Test Specimens" (see Clause 10 of this Edition); h) Change "Conditional test" into "Operating Conditions"; and change the content (see Clause 11 of this Edition; Clause 6 of the 2008 Edition); i) Add a Clause on "Test duration" (see Clause 12 of this Edition); j) Change "Details to be given in the relevant specifications" into "Information to be given in the relevant specifications"; and change the content (see Clause 15 of this Edition; Clause 10 of the 2008 Edition); k) Change the content of "Test report" (see Clause 16 of this Edition; Clause 9 of the 2008 Edition). This Document equivalently adopted IEC 60068-2-11.2021 Environmental Testing – Part 2-11. Tests – Test Ka. Salt Mist. The following minimal editorial changes were made to this document. --- To coordinate with the existing standard, change the standard name into Environmental Testing – Part 2.Test Methods – Test Ka. Salt Mist; --- Add the Annex NA (informative) “parts of GB/T 2423”. Please note some contents of this Document may involve patents. The issuing agency of this Document shall not assume the responsibility to identify these patents. This Document was proposed by and under the jurisdiction of National Technical Committee on Environmental Conditions of Electric and Electronic Products and Environmental Test of Standardization Administration of China (SAC/TC 8). Drafting organizations of this Document. China National Electric Apparatus Research Institute Co., Ltd.; Shenzhen Academy of Metrology & Quality Inspection; Guangdong Yuedianke Testing and Inspection Technology Co., Ltd.; Jiangsu TOMILO Advanced Equipment Co., Ltd.; AVIC Great Wall Measurement and Testing (Nanjing) Co., Ltd.; Midea Group Co., Ltd.; Electric Power Research Institute, State Grid Jiangxi Electric Power Co., Ltd.; Institute of Electronics Fifth, Ministry of Industry and Information Technology; Chongqing Yinhe Test Instrument Co., Ltd.; Wuxi SOYATER Test Equipment Co., Ltd.; Chongqing Hongrui Test Instrument Co., Ltd.; Huawei Technologies Co., Ltd.; CASIC Defense Technology Research & Test Center; Haijian Testing Co., Ltd.; China Academy of Information and Communications; China Special Vehicle Research Institute; and Guangdong Huanan Household Appliance Research Institute. Chief drafting staffs of this Document. Fu Yonggao, Lv Tianyi, Zhang Hua, Li Xin, Shi Zicheng, Liu Miaoran, Lv Guoyi, Wang Jun, Li Tangbing, Zhang Bo, Li Shushan, Xu Xuedong, Zhou Zhongming, Wu Bin, Chen Yao, Wang Qingsong, Xia Lijiao, Mu Xianlian, Lai Jing, Xu Bichuan, Zhong Fei, Guan Zhijian, Yu Jianhong, Song Yue, and Zhao Fei. The historical editions replaced by this Standard are as follows. --- GB 2423.17-1981 was first-time published in 1981; first-time changed into the recommended national standard in 1993; second-time published in 2008.1 ScopeThis Document specifies a test method for assessing the corrosion resistance of electrotechnical products components, equipment and materials in a salt mist environment.2 Normative ReferencesThe provisions in following documents become the essential provisions of this Document through reference in this Document. For the dated documents, only the versions with the dates indicated are applicable to this Document; for the undated documents, only the latest version (including all the amendments) is applicable to this Document. GB/T 2421-2020 Environmental testing – General and guidance (IEC 60068-1.2013, IDT)3 Terms and DefinitionsNo terms and definitions are listed in this Document. ISO and IEC maintain terminological databases for use in standardization at the following addresses.4 GeneralFor equipment and components, Test Kb (IEC 60068-2-52) is considered to provide more realistic conditions and to provide means of assessment of individual items.5 Salt Solution5.1 Preparation of salt solution Dissolve a sufficient mass of sodium chloride in distilled or deionized water with a conductivity not higher than 20 μS/cm at 25 °C ± 2 K to produce a concentration of 50 g/l ± 5 g/l. 5.2 pH adjustment If necessary, adjust the pH of the salt solution so that the pH of the sprayed solution collected within the test chamber is 6.5 to 7.2 at 25 °C ± 2 K.6 Test Apparatus6.1 Test chamber The chamber for this test shall be constructed of such materials that will not influence the corrosive effects of salt mist. 6.2 Atomizers The atomizers used shall be of such a design and construction as to produce a finely divided, wet, dense mist. The atomizers shall be made of material that is non-reactive to the salt solution.7 Test SpecimensThe number and type of test specimens, their shape and their dimensions shall be selected in accordance with the relevant specification.8 Initial MeasurementsThe test specimens shall be visually examined and, if necessary, electrically and mechanically checked as required by the relevant specification.9 Pre-ConditioningThe relevant specification shall specify the cleaning method to be applied immediately before the test.10 Arrangement of the Test SpecimensThe test specimens shall be tested in their normal operating positions in accordance with the relevant specification. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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