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Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 21218-2023: Unused silicone insulating liquids for electrotechnical purposes Status: Valid GB/T 21218: Historical versions
Basic dataStandard ID: GB/T 21218-2023 (GB/T21218-2023)Description (Translated English): Unused silicone insulating liquids for electrotechnical purposes Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K15 Classification of International Standard: 29.040.10 Word Count Estimation: 14,180 Date of Issue: 2023-11-27 Date of Implementation: 2024-06-01 Older Standard (superseded by this standard): GB/T 21218-2007 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 21218-2023: Unused silicone insulating liquids for electrotechnical purposes---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.ICS 29:040:10 CCSK15 National Standards of People's Republic of China Replace GB/T 21218-2007 Unused silicon insulating liquid for electrical use Published on 2023-11-27 2024-06-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee Table of contentsPreface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 Performance 2 5 General delivery requirements and marking 3 6 Storage and Maintenance 3 7 Sampling 3 8 Performance and test methods 3 9 individual specifications 5 Appendix A (informative) Technical differences between this document and IEC 60836:2015 and their reasons 7 Reference 9ForewordThis document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting: This document replaces GB/T 21218-2007 "Unused silicon insulating liquids for electrical use": Compared with GB/T 21218-2007, except In addition to structural adjustments and editorial changes, the main technical changes are as follows: ---Added the tristimulus colorimetric method for measuring color in GB/T 6324:6 (see 8:1:1); ---Added the appearance inspection method in DL/T 429:1 (see 8:1:2); --- Added provisions for the "density" test regarding the selection of test methods during the arbitration test (see 8:2); --- Added the NB/SH/T 0870 viscosity test method and the provisions for selecting the test method during the arbitration test (see 8:3 and Table 1); ---Added SH/T 0205 or GB/T 6488 test method for determination of refractive index, deleted ISO 5661 (see 8:6,:2007 version 8:6); ---Added NB/SH/T 0886 automatic tilt method for determining pour point and provisions for selecting test methods during arbitration tests (see 8:7, Table 1 and Table 2); ---Added test procedures for determining the moisture content of silicon insulating liquids of different viscosities (see 8:8); ---Added performance requirements and test methods for "volatility" (see 8:9 and Table 1); ---Change "neutralization value" to "acid value" and change it to the test method of GB/T 41633:3 (see 8:10, 8:9 of the:2007 version); --- Added test procedures for measuring the breakdown voltage of silicon insulating liquids of different viscosities (see 8:11); --- Added test procedure provisions for dielectric loss factor, permittivity and DC resistivity (see 8:12); ---Added minimum performance requirements for "silicon insulating liquids for other electrical equipment" (see 9:3): This document is modified to adopt IEC 60836:2015 "Specification for unused silicone insulating liquids for electrical use": Compared with IEC 60836:2015, this document has made the following structural adjustments: ---Added 8:9 "volatility", and the subsequent bar numbers in Chapter 8 have been postponed; ---Added Appendix A (informative): Compared with IEC 60836:2015, this document has many technical differences: Use a vertical single line in the outer margin of the involved clauses: (|) is marked: A list of these technical differences and their causes is provided in Appendix A: The following editorial changes have been made to this document: ---Change the standard name to "Unused silicon insulating liquid for electrical use"; ---The expression in the "Scope" chapter has been adjusted to comply with the writing regulations of GB/T 1:1-2020; ---Informative appendix A has been added, listing the technical differences and reasons for adopting international standards: Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents: This document is proposed by the China Electrical Equipment Industry Association: This document is under the jurisdiction of the National Insulation Materials Standardization Technical Committee (SAC/TC51): This document was drafted by: Electric Power Research Institute of State Grid Fujian Electric Power Co:, Ltd:, Electric Power Research Institute of Guangdong Power Grid Co:, Ltd: Institute, Jiangxi Lanxinghuo Silicone Co:, Ltd:, Xiamen Schwitter Electric Power Technology Co:, Ltd:, Shenzhen Power Supply Bureau Co:, Ltd:, Guilin Saimeng Testing Technology Co:, Ltd:, Shenzhen Leputai Technology Co:, Ltd:, Zhongqi Electric Power Equipment Co:, Ltd:, Jiangxi Tengde Industrial Co:, Ltd:, Guilin Electrical Apparatus Research Institute Co:, Ltd:, China Southern Power Grid Co:, Ltd: Ultra-High Voltage Transmission Company, State Grid Henan Electric Power Company Electric Power Science Research Institute, Electric Power Research Institute of State Grid Zhejiang Electric Power Co:, Ltd:, Electric Power Research Institute of State Grid Tianjin Electric Power Company, Sichuan Dongcai New MATERIALS LIMITED: The main drafters of this document: Lian Hongsong, Qian Yihua, Lai Yonghua, Heng Mingxing, Tang Feng, Wu Hong, Liu Huixin, Zheng Dongsheng, Chen Shibo, Chen Xulong, Wang Mingjun, Zhao Yaohong, Wei Chen, Zhao Jie, Li Wei, Yu Wenwu, Liu Jifeng, Gao Xintan, Huang Jie, Yang Guofei, Chen Jisheng, Cheng Yanyuan, Tan Zhuojun, Kou Xiaoshi, Shao Xianjun, Zhao Peng, Fu Qiang, Luo Chuanyong, Li Jiexia: The previous versions of this document and the documents it replaces are as follows: ---First published as GB/T 21218-2007 in:2007; ---This is the first revision: Unused silicon insulating liquid for electrical use1 ScopeThis document specifies the properties, general delivery requirements and labelling, storage and maintenance, sampling of unused silicone insulating fluids for use in electrical equipment: and individual material specifications, describing performance test methods: This document is applicable to the design and design of unused silicon insulating liquid for transformers, cable accessories, capacitors, electromagnetic appliances and other electrical equipment: Production and inspection: NOTE: See IEC 60944 for the care of used silicone insulating liquids used in electrical equipment:2 Normative reference documentsThe contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document: GB/T 261 Determination of flash point Penski-Martin closed cup method (GB/T 261-2021, ISO 2719:2016, MOD) GB/T 507 Determination of breakdown voltage of insulating oil (GB/T 507-2002, eqvIEC 60156:1995) GB/T 1884 Laboratory determination of density of crude oil and liquid petroleum products (densitometer method) (GB/T 1884-2000, eqvISO 3675:1998) GB 2536 Electrical fluids Unused mineral insulating oil for transformers and switches (GB 2536-2011, IEC 60296: 2003,MOD) GB/T 3143 Liquid chemical product color determination method (Hazen unit---platinum-cobalt color number) GB/T 3535 Determination of pour point of petroleum products (GB/T 3535-2006, ISO 3016:1994, MOD) GB/T 3536 Determination of flash point and fire point of petroleum products Cleveland open cup method (GB/T 3536-2008, ISO 2592: 2000,MOD) GB/T 5654 Measurement of relative permittivity, dielectric loss factor and DC resistivity of liquid insulating materials (GB/T 5654- 2007,IEC 60247:2004,IDT) GB/T 6324:6 Test methods for organic chemical products Part 6: Determination of liquid color Tristimulus value Colorimetric method Tristimulus value Colorimetry GB/T 6488 Determination of refractive index of liquid chemical products GB/T 10065 Method for determination of gas evolution of insulating liquids under electrical stress and ionization (GB/T 10065-2007, IEC 60628:1985,MOD) GB/T 23770 General method for colorimetric determination of liquid inorganic chemical products (GB/T 23770-2009, ISO 2211:1973, MOD) GB/T 27750 Classification of insulating liquids (GB/T 27750-2011, IEC 61039:2008, IDT) GB/T 30515 Method for determination of kinematic viscosity and calculation method of dynamic viscosity of transparent and opaque liquid petroleum products (GB/T 30515- 2014,ISO 3104:1994,MOD) GB/T 41146 Insulating liquid sampling method (GB/T 41146-2021, IEC 60475:2011, IDT) GB/T 41633:3 Determination of acid value of insulating liquids Part 3: Test methods for non-mineral insulating oils (GB/T 41633:3- 2022,IEC 62021-3:2014,IDT) ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 21218-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 21218-2023_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 21218-2023?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 21218-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
