GB/T 20632.3-2022 PDF EnglishUS$125.00 · In stock · Download in 9 seconds
GB/T 20632.3-2022: Vulcanized fibre for electrical purposes - Part 3: Flat sheets Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 20632.3-2022: Vulcanized fibre for electrical purposes - Part 3: Flat sheets---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/GBT20632.3-2022GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 29.035.10 CCS K 15 Vulcanized Fiber for Electrical Purposes – Part 3: Flat Sheets (IEC 60667-3-1:2020, Vulcanized Fiber for Electrical Purposes – Part 3: Specifications for Individual Materials – Sheet 1: Flat Sheets, MOD) ISSUED ON: JULY 11, 2022 IMPLEMENTED ON: FEBRUARY 01, 2023 Issued by: State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of ContentsForeword ... 3 Introduction ... 5 1 Scope ... 6 2 Normative References ... 6 3 Terms and Definitions ... 6 4 Classification ... 6 5 Requirements ... 7ForewordThis 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 3 of GB/T 20632. GB/T 20632 has published the following parts: --- Vulcanized Fiber for Electrical Purposes – Part 1: Definitions and General Requirements; --- Vulcanized Fiber for Electrical Purposes – Part 2: Methods of Test; --- Vulcanized Fiber for Electrical Purposes – Part 3: Flat Sheets. This Document modifies and adopts IEC 60667-3-1:2020 Vulcanized Fiber for Electrical Purposes - Part 3: Specifications for Individual Materials - Sheet 1: Flat Sheets. The technical differences and causes between this Document and IEC 60667-3-1:2020 are as follows: --- IEC 60667-1 (see Clauses 4 and 5) is replaced by the normatively quoted GB/T 20632.1 to adapt to China's technical conditions and improve operability; --- The thickness deviation requirements when the thickness is greater than 12.0mm (see Table 1) have been changed to meet the actual needs of China. This Document made the following editorial modifications: --- In order to coordinate with existing standards, change the name of the standard to Vulcanized Fiber for Electrical Purposes - Part 3: Flat Sheets; --- Correct the thickness of "internal ply adhesion" in Table 1 from "0.4" to "≤0.4". 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 China Electrical Equipment Industry Association. This Document shall be under the jurisdiction of National Technical Committee on Insulated Materials of Standardization Administration of China (SAC/TC 51). Drafting organizations of this Document: Electric Power Research Institute of Guangdong Power Grid Co., Ltd.; China Southern Power Grid Technology Co., Ltd.; Hunan Guangxin Technology Co., Ltd.; Shenzhen Power Supply Bureau Co., Ltd.; Hangzhou Special Paper Industry Co., Ltd.; Guilin CEMT Technology Co., Ltd.; Guilin Electrical Equipment Scientific Research Institute Co., Ltd.; Xi'an Jingzhongsheng Technology Co., Ltd.; Guangzhou Yaxin Technology Co., Ltd.; Shaanxi Guohongfu Testing Technology Co., Ltd.; Guangdong Mingkai Vulcanized Fiber for Electrical Purposes – Part 3: Flat Sheets1 ScopeThis Document gives classification and requirements for vulcanized fiber sheets for electrical purposes. This Document applies to design, manufacture and inspection, etc. of vulcanized fiber sheets for electrical purposes. Materials made by combining with multiple layers of vulcanized fiber are not covered by this Document. NOTE: Materials that conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application is based on the actual requirements necessary for adequate performance in that application and not based on this Document alone.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 20632.1 Specification for Vulcanized Fiber for Electrical Purposes - Part 1: Definitions and General Requirements (GB/T 20632.1-2006, IEC 60667-1:1980, MOD) GB/T 20632.2-2022 Vulcanized Fiber for Electrical Purposes - Part 2: Methods of Test (IEC 60667-2:2020, IDT)3 Terms and DefinitionsFor the purposes of this Document, no term and definitions apply.4 ClassificationThe material shall be classified as general type or fishbone type, as indicated in GB/T 20632.1. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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