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Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 23271-2023: Molybdenum disulfide Status: Valid GB/T 23271: Historical versions
Basic dataStandard ID: GB/T 23271-2023 (GB/T23271-2023)Description (Translated English): Molybdenum disulfide Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: H63 Classification of International Standard: 77.120.99 Word Count Estimation: 22,224 Date of Issue: 2023-08-06 Date of Implementation: 2024-03-01 Older Standard (superseded by this standard): GB/T 23271-2009 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 23271-2023: Molybdenum disulfide---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 77.120.99 CCSH63 National Standards of People's Republic of China Replace GB/T 23271-2009 Molybdenum disulfide Published on 2023-08-06 2024-03-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee ForewordThis document complies with the regulations of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Custom drafting. This document replaces GB/T 23271-2009 "Molybdenum disulfide". Compared with GB/T 23271-2009, except for structural adjustments and editorial changes In addition, the main technical changes are as follows. a) Changed the scope of application (see Chapter 1, Chapter 1 of the.2009 edition); b) Changed the technical requirements for chemical composition (see 5.1, 3.2 of the.2009 edition); c) Changed the technical requirements for granularity (see 5.5, 3.3 of the.2009 version); d) The product inspection items and sampling regulations have been changed (see 7.4.1, Table 3 of the.2009 version); e) Added accompanying files (see 8.3). 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 Nonferrous Metals Industry Association. This document is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243). This document was drafted by. Jinduicheng Molybdenum Co., Ltd., Nonferrous Metals Technology and Economic Research Institute Co., Ltd., Songxian Pioneer Molybdenum Co., Ltd., Luoyang Shenyu Molybdenum Co., Ltd. The main drafters of this document. Yang Yan, Wang Guoliang, Li Feng, Hui Sanshun, Chen Qiufang, Zhao Yu, Tian Jianrong, He Xin, Wang Bo, Bai Zhihui, Zeng Zhongfang, Wang Peng. This document was first published in.2009 and this is the first revision. Molybdenum disulfide1 ScopeThis document specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and accompanying documents of molybdenum disulfide and order form contents. This document applies to molybdenum disulfide products produced by natural methods.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 191 Packaging, storage and transportation pictorial mark GB/T 3249 Method for determination of Fisher particle size of metal and its compound powders GB/T 4945 Determination of acid value and base number of petroleum products and lubricants (color indicator method) GB/T 6678 General principles for sampling of chemical products3 Terms and definitionsThere are no terms or definitions to be defined in this document.4 categoriesProducts are divided into 5 brands based on chemical composition. FMoS2-1 grade is mainly used for catalysts or catalyst raw materials; FMoS2-2, FMoS2-3, FMoS2-4 and FMoS2-5 grades are mainly used for solid lubricants (oils, pastes), dispersions, friction modifiers, wear-resistant and anti-friction coatings and the manufacture of molybdenum metal compound.5 Technical requirements5.1 Chemical composition The chemical composition of the product should comply with the requirements in Table 1. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 23271-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 23271-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 23271-2023_English with my colleagues?Answer: Yes. 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Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 23271-2023 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. |