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GB/T 2479-2022 English PDF

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GB/T 2479-2022: Conventional abrasive - White fused alumina
Status: Valid

GB/T 2479: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 2479-2022139 Add to Cart 3 days Conventional abrasive - White fused alumina Valid
GB/T 2479-2008239 Add to Cart 3 days Conventional abrasive -- White fused alumina Obsolete
GB/T 2479-1996279 Add to Cart 3 days Conventional abrasive--White fused alumina Obsolete
GB 2479-1983199 Add to Cart 2 days Technical specifications for white fused alumina Obsolete

Similar standards

GB/T 2493   GB/T 2480   GB/T 23541   GB/T 2481.1   GB/T 2476   

Basic data

Standard ID: GB/T 2479-2022 (GB/T2479-2022)
Description (Translated English): Conventional abrasive - White fused alumina
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J43
Word Count Estimation: 7,723
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 2479-2022: Conventional abrasive - White fused alumina

---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.
Conventional abrasive - White fused alumina ICS 25.100.70 CCSJ43 National Standards of People's Republic of China Replacing GB/T 2479-2008 Ordinary abrasive white corundum 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 replaces GB/T 2479-2008 "Ordinary Abrasive White Corundum", compared with GB/T 2479-2008, except for structural adjustment and editing In addition to the editorial changes, the main technical changes are as follows. a) Changed the grade of white corundum for coated abrasives (see Chapter 4, Chapter 3 of the.2008 edition); b) Changed the chemical composition index (see 5.1, 4.1 of the.2008 edition); c) Added the content of J series abrasive powder (see 5.1, 5.3, Table 3); d) Added requirements for marking, transportation and storage (see Chapter 8). 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 Machinery Industry Federation. This document is under the jurisdiction of the National Abrasives Standardization Technical Committee (SAC/TC139). This document is drafted by. Zhengzhou Yufa High-tech Materials Co., Ltd., Zibo Zichuan Jinlong Abrasives Co., Ltd., Zibo Jinji Yuanyan Research Institute Abrasives Co., Ltd., Zhengzhou Abrasives Grinding Research Institute Co., Ltd., Nanping Yize Abrasives Technology Co., Ltd. The main drafters of this document. He Shizun, He Shilei, Chen Dehai, Ding Jianping, Bao Hua, Wu Jianwei, Miao Fang, Chen Hao, Ding Jie, Zhang Liang. The previous versions of the documents replaced by this document are as follows. ---GB 2479-1981, GB 2479-1983, GB/T 2479-1996, GB/T 2479-2008. Ordinary abrasive white corundum

1 Scope

This document specifies the grades, technical requirements, test methods, inspection rules, packaging, marking, transportation and storage of white corundum abrasives. This document is applicable to the white corundum abrasive for the manufacture of bonded abrasives and coated abrasives.

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 2481 (all parts) Detection and marking of abrasive particle size composition for bonded abrasives GB/T 3044 Chemical Analysis Methods of White Corundum and Chromium Corundum GB/T 4676 Ordinary abrasive sampling method GB/T 9258 (all parts) Abrasive particle size analysis for coated abrasives JB/T 6569 Ordinary abrasive packaging JB/T 6570 Determination method of magnetic content of ordinary abrasives JB/T 11433 Determination of Ordinary Abrasive Density

3 Terms and Definitions

There are no terms and definitions that need to be defined in this document.

4 grades

The grades of white corundum abrasives are specified as follows. ---The grade of white corundum used for vitrified bonded abrasives and coated abrasives is WA; ---The grade of white corundum used for bonded abrasives with organic bond is WA-B.

5 Technical requirements

5.1 Chemical composition The chemical composition of each brand product should meet the requirements in Table 1.
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