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GB/T 13542.4-2024: Plastic films for electrical purposes - Part 4: Polyethylene terephthalate films
Status: Valid GB/T 13542.4: Evolution and historical versions
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| GB/T 13542.4-2024 | English | 369 |
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Plastic films for electrical purposes - Part 4: Polyethylene terephthalate films
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GB/T 13542.4-2024
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| GB/T 13542.4-2009 | English | 229 |
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Film for electrical insulation -- Part 4: Polyethylene terephthalate film used for electrical insulation
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GB/T 13542.4-2009
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PDF similar to GB/T 13542.4-2024
Basic data | Standard ID | GB/T 13542.4-2024 (GB/T13542.4-2024) | | Description (Translated English) | Plastic films for electrical purposes - Part 4: Polyethylene terephthalate films | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K15 | | Classification of International Standard | 29.035.20 | | Word Count Estimation | 18,193 | | Date of Issue | 2024-09-29 | | Date of Implementation | 2025-04-01 | | Older Standard (superseded by this standard) | GB/T 13542.4-2009 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 13542.4-2024: Plastic films for electrical purposes - Part 4: Polyethylene terephthalate films---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 29.035.20
CCSK15
National Standard of the People's Republic of China
Replaces GB/T 13542.4-2009
Films for electrical insulation. Part 4.Polyester films
Released on 2024-09-29
2025-04-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction V
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Categories 1
5 Naming 1
6 General requirements 2
7 Size 2
8 Performance requirements 2
9 Film roll characteristics for all models 7
References 8
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 for standardization documents"
Drafting.
This document is part 4 of GB/T 13542 "Films for electrical insulation". GB/T 13542 has been published in the following parts.
--- Part 1.Definitions and general requirements;
--- Part 2.Test methods;
--- Part 3.Biaxially oriented polypropylene films for capacitors;
--- Part 4.Polyester film;
--- Part 5.Biaxially oriented polynaphthyl ester films;
--- Part 6.Polyimide films for electrical insulation.
This document replaces GB/T 13542.4-2009 "Electrical insulating films Part 4.Polyester films" and GB/T 13542.4-
Compared with.2009, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
--- Added product types (see Chapter 4);
--- Changed the "thickness" measurement method, and recommended the preferred thickness for different types of dimensions (see 7.1, 5.1 of the.2009 edition);
--- Added the "roll film diameter/length" item (see 7.3);
--- Added the performance requirements of the supplementary type film and the test conditions for relative permittivity (1kHz) and dielectric loss factor (1kHz) (see
Table 2);
--- Changed the requirements for density, melting point, relative permittivity (1kHz) and dielectric loss factor (1kHz) of opaque colored films
(See Table 2, Table 2 of the.2009 edition);
--- Deleted the performance requirements for electrolytic corrosion and dimensional stability at high temperatures (see Table 2 of the.2009 edition);
--- According to the nominal thickness specifications and corresponding requirements are subdivided (see Table 3 and Table 4, Table 3 of the.2009 edition);
--- Added the flammability requirements for polyester films (see Table 5);
--- Added the requirements for the electrode type and nominal thickness of 500μm for "Electrical Strength (AC Test)" (see Table 6);
--- Deleted the requirements for nominal thickness < 6μm, 6μm, 8μm, 10μm, 150μm (see Table 4 of the.2009 edition);
--- Added "Electrical Strength (DC Test)" φ6mm electrode method and aluminum foil sandwich method and corresponding requirements, according to the nominal thickness specifications and
The corresponding requirements are subdivided (see Table 7);
--- Added "Electrical Weakness" Method C2, Method C3 and 0.9μm~< 2.5μm, 2.5μm nominal thickness specifications and corresponding requirements
Request (see Table 8);
--- Added TI requirements for "long-term heat resistance" type 3, type 4 and type 5, and unified the test endpoint standard as the tensile strength maintaining the initial value
50% (see Table 9);
---Modified the humidity content of the air in the aging oven (see 8.6, 6.3.1 of the.2009 edition);
--- Added the performance requirements of "resistance to moisture and heat aging" (see Table 10);
--- Changed the requirements for film joints and film roll width (see 9.2, 9.3, 7.3, 7.4 of the.2009 edition).
This document is modified to adopt IEC 60674-3-2.2019 "Plastic film for electrical use - Part 3.Specifications for individual materials - Part 2.
Requirements for balanced biaxially oriented polyethylene terephthalate (PET) films for electrical insulation.
This document has the following structural adjustments compared to IEC 60674-3-2.2019.
--- Added Table 1, Table 2 corresponds to Table 1 of IEC 60674-3-2.2019, Table 3 corresponds to Table 2 of IEC 60674-3-2.2019, Table 4
Corresponding to Table 3 of IEC 60674-3-2.2019;
--- Added Table 5, Table 6 corresponds to Table 4 of IEC 60674-3-2.2019, and the following table numbers are postponed accordingly.
The technical differences between this document and IEC 60674-3-2.2019 and their reasons are as follows.
--- The content of "Scope" has been reorganized (see Chapter 1) to meet the needs of technical content;
--- Replaced IEC 60068-2-67 (see 8.7) with the normative reference GB/T 2423.50 to adapt to my country's technical conditions, and added
Operability;
--- Replaced IEC 60674-2.2016 with the normative reference GB/T 13542.2-2021 (see 7.1, 7.2, Tables 2 to 8,
8.3~8.6, 9.1, 9.3), the consistency between the two documents is modified to adapt to my country's technical conditions and increase operability
Sexuality;
--- Added normative references to GB/T 5169.16 (see Table 5) to meet the needs of technical content;
--- Change the polyester film thickness measurement from mass density method to mechanical method, and change the preferred thickness of type 4 and type 5 from
50μm~500μm, 50μm~350μm are changed to 36μm~500μm, 36μm~350μm respectively (see 7.1).
Adapt to my country's technical conditions and increase operability;
--- Added the performance requirements of relative permittivity (23℃, 48Hz~62Hz) and changed the dielectric loss factor (23℃, 48Hz~
62Hz) measurement method (see Table 2) to adapt to my country's technical conditions and increase operability;
--- Added the performance requirements of "combustibility" (see Table 5) to adapt to my country's technical conditions and increase operability;
--- The performance requirements for the electrical strength (AC test) of 25 μm thick films have been added (see Table 6) to adapt to my country's technical conditions.
Increase operability;
--- Change the IT value of "long-term heat resistance" of Type 3, Type 4 and Type 5 from 125 to 120 (see Table 9) to adapt to my country's technical conditions
parts to increase operability.
The following editorial changes were made to this document.
--- In order to coordinate with the existing standard, the name of the standard is changed to "Films for electrical insulating purposes Part 4.Polyester films".
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Electrical Equipment Industry Association.
This document is under the jurisdiction of the National Technical Committee for Standardization of Insulation Materials (SAC/TC51).
This document was drafted by. Guilin Saimeng Testing Technology Co., Ltd., Sichuan Dongcai New Materials Co., Ltd., Jiangsu Yuxing Thin Film Technology
Co., Ltd., Guilin Grace Technology Co., Ltd., State Grid Smart Grid Research Institute Co., Ltd., Anhui Tongfeng Electronics Co., Ltd.,
Zhejiang Xinhengtai New Materials Co., Ltd., Huzhou Nanxun Huayuan Insulation Materials Co., Ltd., China Southern Power Grid Co., Ltd.
High Voltage Transmission Company, Guilin Power Capacitor Co., Ltd., Yangzhou Tengfei Cable and Electrical Materials Co., Ltd., Guilin Electrical Science Research Institute
Ltd., Hangzhou Heshun Technology Co., Ltd., Jiangsu Yuming New Materials Co., Ltd., Guilin Juntaifu Electric Co., Ltd., Guilin Wuhuan Electric
Manufacturing Co., Ltd., CRRC Zhuzhou Electric Locomotive Research Institute Co., Ltd., Suzhou Saiwu Application Technology Co., Ltd., CRRC Zhuzhou Electric
Co., Ltd., CRRC Yongji Electric Co., Ltd., Beijing Goldwind Science and Technology Wind Power Equipment Co., Ltd., Dongfang Electric Corporation Dongfang Electric Co., Ltd.,
Guangdong Power Grid Co., Ltd. Electric Power Research Institute, Harbin Electric Motor Factory Co., Ltd., Shanghai Electric Group Shanghai Electric Motor Factory Co., Ltd.
Shandong Qilu Motor Manufacturing Co., Ltd., Shenzhen Power Supply Bureau Co., Ltd., Shenzhen Tongtaiying Technology Co., Ltd., Foshan Jianfa Ruitong
Technology Co., Ltd., Suzhou Guanlong Electromagnetic Wire Co., Ltd., Harbin University of Science and Technology, Ningbo Qinbang New Materials Technology Co., Ltd.,
Hangzhou Juli Insulation Materials Co., Ltd., Wenzhou Qiangrun New Materials Technology Co., Ltd., Heyuan Kunteng Electronic Technology Co., Ltd., Guangdong Shicheng Plastics
Material Machinery Co., Ltd., Zhongshan Hongyi Film Technology Co., Ltd., and Jiahe Wufeng (Hebei) Packaging Technology Co., Ltd.
The main drafters of this document are. Zhao Jie, Wang Xianfeng, Li Jiexia, Song Yuxia, Xing Zhaoliang, Luo Chunhua, Wang Mingjun, Wei Chen, Huang Yongsheng, Zhang Chong,
Chi Qingguo, Sun Yu, Meng Zhao, Chu Songchao, Li Shulin, Zhou Yuli, Chen Song, Zhu Yongming, Wu Wei, Chen Hongsheng, Li Qiangjun, Liu Guanfang, Wei Jingsheng, He Mingpeng,
Jiang Tao, Chen Chunping, Chen Zhengjian, Fu Qiang, Zhao Yaohong, Deng Jianbo, Tan Minghua, Weng Chenglong, Zhang Yun, Zhao Yue, Gu Xinmei, Zhang Changhai, Luo Bing, Zhang Li,
Li Ming, Liu Qinxue, Peng Lei, Li Jun, Tang Feng, Wu Zhenkai, Su Xiao, Hu Peilong, Huang Qionglin, Lin Musong, Hu Chunxiu, Zhang Chunhua, Li Zhenyu, Bai Yanfeng,
Yi Yongdong, Hu Yubo, Luo Chuanyong.
This document was first issued in.1992, revised for the first time in.2004, revised for the second time in.2009, and this is the third revision.
Introduction
The electrical insulation film standard is widely used in the research and development, production, quality inspection, sales, acceptance and technical exchanges of this series of products.
The series of standards can guide the industry to carry out the testing and evaluation of electrical insulating films more effectively, and can improve the quality of electrical insulating film products.
Quality and application reliability.
GB/T 13542 specifies the definition and general requirements, test methods, and product standards for individual materials of insulating films for electrical use.
Column parts.
--- Part 1.Definitions and general requirements. The purpose is to determine the terms and definitions and general requirements for electrical insulating films.
--- Part 2.Test methods. The purpose is to determine the test methods for insulating films for electrical use.
--- Part 3.Biaxially oriented polypropylene film for capacitors. The purpose is to determine the classification of biaxially oriented polypropylene film for capacitors.
Classes and nomenclature, dimensions, performance requirements and roll characteristics.
--- Part 4.Polyester films. The purpose is to determine the classification, nomenclature and requirements of polyester films for electrical insulation.
--- Part 5.Biaxially oriented polynaphthyl ester films. The purpose is to determine the characteristics of biaxially oriented polynaphthyl ester (PEN) films for electrical insulation.
Classes, naming, and requirements.
--- Part 6.Polyimide films for electrical insulation. The purpose is to determine the classification and nomenclature of polyimide films for electrical insulation,
Dimensions, performance requirements and film roll characteristics.
Films for electrical insulation. Part 4.Polyester films
1 Scope
This document specifies the classification, nomenclature and requirements for polyester films for electrical insulation (hereinafter referred to as "films").
This document applies to films made from polyethylene terephthalate (PET) by casting and isotropic biaxial orientation.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 2423.50 Environmental testing Part 2.Test methods Test Cy. Steady state damp heat is mainly used for accelerated testing of components
(GB/T 2423.50-2012,IEC 60068-2-67.1995,IDT)
GB/T 5169.16 Fire hazard tests for electric and electronic products Part 16.Test flame 50W horizontal and vertical flame test
Method (GB/T 5196.16-2017, IEC 60695-11-10.2013, IDT)
GB/T 13542.1-2009 Electrical insulating films Part 1.Definitions and general requirements (IEC 60674-1.1980, IDT)
GB/T 13542.2-2021 Films for electrical insulation Part 2.Test methods (IEC 60674-2.2019, MOD)
3 Terms and definitions
There are no terms or definitions that require definition in this document.
4 Categories
Films can be divided into five types according to their applications and properties, as shown in Table 1.
Table 1 Classification of polyester films
Type Main Application Performance
Type 1 General Purpose
Type 2 capacitor dielectric is ultra-thin and has high electrical strength
Type 3 electrical winding insulation for high temperature
Type 4
Type 5
Electrical winding insulation and photovoltaic modules
Resistance to moisture and heat aging
The humidity and heat aging resistance is higher than type 4
5 Naming
Films shall be identified using the following nomenclature.
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