GB/T 20629.3-2019 English PDF

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GB/T 20629.3-2019: Non-cellulosic papers for electrical purposes -- Part 3: Unfilled aramid (aromatic polyamide) papers
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20629.3-2019	199	Add to Cart	3 days	Non-cellulosic papers for electrical purposes -- Part 3: Unfilled aramid (aromatic polyamide) papers	Valid

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GB/T 20632.3   GB/T 20632.2   GB/T 11026.1   GB/T 20629.4   GB/T 20629.2   

Basic data

Standard ID: GB/T 20629.3-2019 (GB/T20629.3-2019)
Description (Translated English): Non-cellulosic papers for electrical purposes -- Part 3: Unfilled aramid (aromatic polyamide) papers
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K15
Classification of International Standard: 29.035.99
Word Count Estimation: 10,177
Date of Issue: 2019-06-04
Date of Implementation: 2020-01-01
Quoted Standard: GB/T 450; GB/T 455; GB/T 20629.1; GB/T 20629.2-2013
Adopted Standard: IEC 60819-3-3-2011, NEQ
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the classification, requirements, test methods, inspection rules, packaging, marking, transportation and storage of various types of unfilled aramid fiber paper. This standard applies to unfilled meta-aramid fiber paper for electrical purposes.

GB/T 20629.3-2019: Non-cellulosic papers for electrical purposes -- Part 3: Unfilled aramid (aromatic polyamide) papers

---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.
Non-cellulosic papers for electrical purposes--Part 3. Unfilled aramid (aromatic polyamide)papers ICS 29.035.99 K15 National Standards of People's Republic of China Non-cellulosic paper for electrical purposes Part 3. Unfilled aramid fiber paper Part 3.Unfiledaramid(aromaticpolyamide)papers [IEC 60819-3-3.2011, Non-celulosicpapersforelectricalpurposes- Part 3.Specificationsforindividualmaterials- Sheet3. Unfiledaramid(aromaticpolyamide)papers, NEQ] Published on.2019-06-04 2020-01-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

GB/T 20629 "Electroless paper for electrical use" is divided into the following parts. --- Part 1. Definitions and general requirements; --- Part 2. Test methods; --- Part 3. Unfilled aramid fiber paper. This part is the third part of GB/T 20629. This section uses the redrafting method with reference to IEC 60819-3-3.2011 "Electroless paper for electrical purposes - Part 3. Specifications for individual materials Part 3. Unfilled aramid paper, compiled to a degree of consistency with IEC 60819-3-3.2011. This part was proposed by China Electrical Equipment Industry Association. This part is under the jurisdiction of the National Technical Committee for Standardization of Insulation Materials (SAC/TC51). This section was drafted. Chao Meisi New Materials Co., Ltd., Yantai Minstar Special Paper Co., Ltd., Guilin Electrical Science Research Institute Co., Ltd., Zhangzhou Longbang Material Technology Co., Ltd., Zhejiang Kaien Special Materials Co., Ltd., Hangzhou Shiyi Special Technology Co., Ltd. Company, Shantai Bojufang New Material Co., Ltd., DuPont (China) R&D Management Co., Ltd., Sichuan Dongcai Technology Group Co., Ltd. Company, Zhuzhou Times New Material Technology Co., Ltd., Wuxi Youfang Electric Co., Ltd., Suichang Original Standardization Office Division, Zhuzhou Times Huaxian Materials Technology Co., Ltd., CRRC Zhuzhou Electric Locomotive Research Institute Co., Ltd. The main drafters of this section. Zhang Lei, Wang Zhixin, Ma Linquan, Luo Chuanyong, Sun Yu, Jiang Bo, Chang Xiaobin, Li Dafang, Chen Wanping, Wang Dong, Zheng Tinglu, Ren Jiaxuan, Li Jiexia, Zeng Zhi, Li Xue, Yuan Rong, Song Huan, Li Qiangjun. Non-cellulosic paper for electrical purposes Part 3. Unfilled aramid fiber paper

1 Scope

This part of GB/T 20629 specifies the classification, requirements, test methods, inspection rules and packages of various types of unfilled aramid fiber paper. Loading, marking, transportation and storage. This section applies to unfilled meta-aramid fiber paper for electrical use.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. Determination of GB/T 450 paper and paperboard samples and determination of longitudinal, lateral and frontal surfaces of samples GB/T 455 Determination of tearing of paper and paperboard GB/T 20629.1 Non-cellulosic paper for electrical purposes - Part 1. Definitions and general requirements GB/T 20629.2-2013 Non-cellulosic paper for electrical purposes - Part 2. Test methods

3 classification

Electrical unfilled aramid fiber paper is divided into the following three models. ---1 type. calendered paper, with good insulating oil/lacquer absorption, according to the level of electrical strength is divided into 1A type and 1B type, suitable Used for wrapping, etc. ---2 type. calendered paper, suitable for flexible composite materials; ---3 type. non-calendered paper, with high thickness and low apparent density, suitable for phase insulation and end insulation of electrical windings, etc. Where softness, ductility, and conformability are required.

4 requirements

All types of unfilled aramid fiber papers shall comply with the general requirements specified in GB/T 20629.1, and shall also comply with Table 1. Specified performance requirements. When assessing whether it meets the requirements of Table 1, the sampling method used shall be in accordance with GB/T 450. In all cases, The values given in Table 1 are the median values, and the number of samples is in accordance with GB/T 455 and GB/T 20629.2-2013. Table 1 Performance requirements Serial number performance unit requirements 1 thickness μm Allowable deviation of nominal thickness median and nominal thickness ≤50 >50 1A type 1B type 2 type 3 type ±15% ±10% ±15% ±10% ±15% ±10% ±20% ±20% ......

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