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GB/T 6109.22-2025: Enamelled round winding wire - Part 22: Aromatic polyimide enamelled round copper wire, class 240
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 6109.22-2025	English	274	Add to Cart	3 days [Need to translate]	Enamelled round winding wire - Part 22: Aromatic polyimide enamelled round copper wire, class 240
GB/T 6109.22-2008	English	134	Add to Cart	3 days [Need to translate]	Enamelled round winding wire -- Part 22: Aromatic polyimide enamelled round copper wire, class 240

GB/T 6109.22-2025: Enamelled round winding wire - Part 22: Aromatic polyimide enamelled round copper wire, class 240

---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 29.060.01 CCSK12 National Standards of the People's Republic of China Replaces GB/T 6109.22-2008 Enameled round winding wire Part 22.Grade 240 Aromatic Polyimide Enameled Copper Round Wire Published on 2025-10-05 Implemented on May 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Table of contents

Preface III Introduction V 1.Scope 1 2 Normative References 1 3.Terms, Definitions, General Rules, and Appearance 1 3.1 Terms and Definitions 1 3.2 General Rules 1 3.3 Appearance 1 4 Dimensions 2 5 resistors 2 6.Elongation 2 7 Resilience 2 8.Flexibility and adhesion 2 9.Thermal shock 2 10 Softening and Breakdown 2 11.Scratch resistance (conductor nominal diameter 0.250mm and above to 2.500mm and below) 2 12 Solvent resistant 3 13 Breakdown voltage 3 14.Coating film continuity 3 Temperature index 15 3 16.Refrigerant 3 17.Direct weldability 4 18.Thermal bonding or solvent bonding 4 19.Dielectric loss coefficient 4 20 Transformer oil resistant 4 21 Weightlessness 4 23.Pinhole Test 4 30 Packaging 4 Reference 5

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. This document is Part 22 of GB/T 6109 "Enamelled Round Winding Wire". GB/T 6109 has already published the following parts. ---Part 1.General Provisions; ---Part 2.Grade 155 Polyester Enameled Copper Round Wire; ---Part 3.Grade 120 acetal enameled copper round wire; ---Part 4.Grade 130 direct-welding polyurethane enameled copper round wire; ---Part 5.Grade 180 Polyesterimide Enameled Copper Round Wire; ---Part 6.Grade 220 polyimide enameled copper round wire; ---Part 7.130L grade polyester enameled copper round wire; ---Part 9.Grade 130 Polyamide Composite Direct Soldering Polyurethane Enameled Copper Round Wire; ---Part 10.Grade 155 direct-welding polyurethane enameled copper round wire; ---Part 11.Grade 155 Polyamide Composite Direct Soldering Polyurethane Enameled Copper Round Wire; ---Part 12.Grade 180 polyamide composite polyester or polyesterimide enameled copper round wire; ---Part 13.Grade 180 direct-welding polyesterimide enameled copper round wire; ---Part 14.Grade.200 polyamide-imide enameled copper round wire; ---Part 15.Grade 130 self-adhesive direct-soldering polyurethane enameled copper round wire; ---Part 16.Grade 155 self-adhesive direct-soldering polyurethane enameled copper round wire; ---Part 17.Grade 180 self-adhesive direct-soldering polyesterimide enameled copper round wire; ---Part 18.Grade 180 self-adhesive polyesterimide enameled copper round wire; ---Part 19.Grade.200 self-adhesive polyamide-imide composite polyester or polyesterimide enameled copper round wire; ---Part 20.Grade.200 polyamide-imide composite polyester or polyesterimide enameled copper round wire; ---Part 21.Grade.200 Polyester-Amide-Imine Enameled Copper Round Wire; ---Part 22.Grade 240 Aromatic Polyimide Enameled Copper Round Wire; ---Part 23.Grade 180 direct-welding polyurethane enameled copper round wire. This document replaces GB/T 6109.22-2008 "Enamelled Round Winding Wire Part 22.240 Grade Aramid Polyimide Enamelled Copper Round Wire". Compared with GB/T 6109.22-2008, apart from structural adjustments and editorial changes, the main technical changes are as follows. ---Added "Method for Representing Winding Wire Products" (see 3.2.2); ---The requirement for a "pinhole test" has been added (see Chapter 23); ---The requirements for "resistant to transformer oil" have been changed (see Chapter 20, Chapter 20 of the.2008 edition). This document is equivalent to IEC 60317-46.2024 "Special winding wire product standard Part 46.240 grade aramid enameled wire". Copper round wire. The following minimal editorial changes have been made to this document. ---To harmonize with existing standards, the standard name has been changed to "Enameled Round Winding Wire Part 22.Grade 240 Aromatic Polyimide Enameled Copper". Circular line. Please note that some content in this document may involve patents. The issuing organization of this document assumes no 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 on Standardization of Wires and Cables (SAC/TC213). This document was drafted by. Shanghai Cable Research Institute Co., Ltd., Datong (Fujian) New Materials Co., Ltd., and Zhejiang Great Wall Electric Technology Co., Ltd. Joint-stock companies, Tongling Jingda Special Electromagnetic Wire Co., Ltd., Xiandeng High-Tech Electric Co., Ltd., and Jinbei Electric Electromagnetic Wire Co., Ltd. The company, Jufeng Electrical Materials (Yangzhou) Co., Ltd., Ningbo Jintian New Materials Co., Ltd., Zhejiang Hongbo Technology Co., Ltd., and Shanghai Yusheng. Special Wire & Cable Co., Ltd., Henan Huayang Electric Technology Group Co., Ltd., Zhuhai Gree Electric Co., Ltd., Jiangsu Xizhou New Material Technology Co., Ltd. Limited Company, Shenyang Hongyuan Electromagnetic Wire Co., Ltd., Wuxi Youfang Electric Co., Ltd., Guangdong Songtian Technology Co., Ltd., Zhuhai Rongsheng Ultra-Micro Wire Co., Ltd., Luxiao Technology Co., Ltd., Zhejiang Yinglicheng Materials Technology Co., Ltd., and Shanghai Guolan Testing Co., Ltd. Limited Company. The main drafters of this document are. Zhang Zhao, Li Jiaxing, Gu Zhengwei, Zhang Wei, Wang Qianqian, Xiao Jian, Li Huiwen, Ding Jiangjie, Yan Qinhua, and Tang Haifeng. Du Mingxin, Ma Hongjie, Zhang Bin, Yang Xuqing, Qiu Beibei, Chen Minghai, Huang Guiming, Xuan Tao, Ying Jinghui, Zhu Ranran, Peng Bo. The release history of this document and the document it replaces is as follows. ---First published in.2008 as GB/T 6109.22-2008; ---This is the first revision.

Introduction

Enamelled round winding wire is a major supporting raw material in the fields of power, motors, electrical appliances, home appliances, electronics, communications, transportation, power grids, and aviation. First, it has a wide range of applications and covers many fields, and has become an important mechanical industrial product. GB/T 6109 "Enamelled Round Winding Wire" is the basic standard for enamelled round winding wire products, and it is proposed to consist of the following 22 parts. ---Part 1.General Requirements. This section specifies the performance requirements for self-adhesive or non-self-adhesive enameled copper round windings. ---Part 2.Grade 155 Polyester Enameled Copper Round Wire. The purpose is to specify Grade 155 enameled copper wire with a single enamel layer based on polyester resin. Performance requirements for circular wires. ---Part 3.Grade 120 Acetal Enameled Copper Round Wire. The purpose is to specify Grade 120 for single-layer enamel coatings based on polyvinyl acetal resin. Performance requirements for enameled copper round wire. ---Part 4.Grade 130 direct-soldering polyurethane enameled copper round wire. The purpose is to specify Grade 130 single-layer polyurethane resin-based enamel coatings. Performance requirements for direct-welded enameled copper round wire. ---Part 5.Grade 180 Polyesterimide Enameled Copper Round Wire. The purpose is to specify Grade 180 for single-layer polyesterimide enamel coatings. Performance requirements for enameled copper round wire. ---Part 6.Grade 220 Polyimide Enameled Copper Round Wire. The purpose is to specify Grade 220 for single-layer polyimide enamel coatings. Performance requirements for enameled copper round wire. ---Part 7.130L Grade Polyester Enameled Copper Round Wire. The purpose is to specify 130L grade enameled wire with a single enamel coating based on polyester resin. Performance requirements for copper round wire. ---Part 9.Grade 130 Polyamide Composite Direct Soldering Polyurethane Enameled Copper Round Wire. The purpose is to specify the grade 130 direct soldering enamel wire with a double-layer coating. The performance requirements for copper-clad round wires include a primer layer based on polyurethane resin and a topcoat layer based on polyamide resin. ---Part 10.Grade 155 direct-soldering polyurethane enameled copper round wire. The purpose is to specify Grade 155 single-coat polyurethane resin-based wires. Performance requirements for direct-welded enameled copper round wire. ---Part 11.Grade 155 Polyamide Composite Direct Soldering Polyurethane Enameled Copper Round Wire. The purpose is to specify the grade 155 direct soldering enamel wire with a double-layer coating. The performance requirements for copper-clad round wires include a primer layer based on polyurethane resin and a topcoat layer based on polyamide resin. ---Part 12.Grade 180 polyamide composite polyester or polyesterimide enameled copper round wire. The purpose is to specify a Grade 180 enameled wire with double coatings. The performance requirements for copper-clad round wires include a primer layer based on polyester or polyesterimide resin and a topcoat layer based on polyamide resin. ---Part 13.Grade 180 direct-soldering polyesterimide enameled copper round wire. The purpose is to specify a single-layer enamel coating based on polyesterimide resin. Performance requirements for Grade 180 direct-welding enameled copper round wire. ---Part 14.Grade.200 polyamide-imide enameled copper round wire. The purpose is to specify single-component polyamide-imide resin-based... Performance requirements for.200-grade enameled copper round wire. ---Part 15.Grade 130 Self-adhesive Direct Soldering Polyurethane Enamelled Copper Round Wire. The purpose is to specify Grade 130 self-adhesive direct soldering wire with double coating. The performance requirements for enameled copper round wires include a primer layer based on polyurethane resin and a topcoat layer based on thermoplastic resin, which is a self-adhesive layer. ---Part 16.Grade 155 Self-Adhesive Straight Soldering Polyurethane Enameled Copper Round Wire. The purpose is to specify Grade 155 self-adhesive straight soldering wire with double coating. The performance requirements for enameled copper round wires include a primer layer based on polyurethane resin and a topcoat layer based on thermoplastic resin, which is a self-adhesive layer. ---Part 17.Grade 180 Self-adhesive Straight Solderable Polyesterimide Enameled Copper Round Wire. The purpose is to specify Grade 180 self-adhesive straight solderable wire with double coating. The performance requirements for soldering enameled copper round wires, wherein the primer layer is based on polyesterimide resin and the topcoat layer is based on thermoplastic resin. Adhesive layer. ---Part 18.Grade 180 self-adhesive polyesterimide enameled copper round wire. The purpose is to specify the grade 180 self-adhesive enameled copper wire with double coating. The performance requirements for round wires include a primer layer based on polyesterimide resin and a topcoat layer based on thermoplastic resin, which is a self-adhesive layer. ---Part 19.Grade.200 self-adhesive polyamide-imide composite polyester or polyesterimide enameled copper round wire. The purpose is to specify the three-layer coating. The performance requirements for grade.200 enameled copper round wires include a primer layer based on polyester or polyesterimide resin, and an intermediate layer based on polyamide. A self-adhesive layer with an imide resin base and a topcoat layer based on a thermoplastic or thermosetting resin. ---Part 20.Grade.200 polyamide-imide composite polyester or polyesterimide enameled copper round wire. The purpose is to specify double-layer enameling. The performance requirements for Grade.200 enameled copper round wire include a primer layer based on polyester or polyesterimide resin, and a topcoat layer based on polyamide-imide resin. It is based on amine resin. ---Part 21.Grade.200 Polyester-Amide-Imine Enameled Copper Round Wire. The purpose is to specify the type of polyester-amide-imide resin-based... Performance requirements for a single-layer,.200-grade enameled copper round wire. ---Part 22.Grade 240 Aromatic Polyimide Enameled Copper Round Wire. The purpose is to specify single-component aromatic polyimide resin-based... Performance requirements for 240-grade enameled copper round wire. ---Part 23.Grade 180 direct-soldering polyurethane enameled copper round wire. The purpose is to specify Grade 180 for single-layer polyurethane resin-based enamel coatings. Performance requirements for direct-welded enameled copper round wire. This document needs to be used in conjunction with GB/T 6109.1-2025. Enameled round winding wire Part 22.Grade 240 Aromatic Polyimide Enameled Copper Round Wire

1 Scope

This document specifies the requirements for Grade 240 enameled copper round wire with a single coating based on aromatic polyimide resin. The nominal diameter range of conductors specified in this document is. ---Level 1.0.020mm and above to 2.000mm and below; ---Level 2.0.020mm and above to 5.000mm and below. The nominal diameter of a conductor is specified in Chapter 4 of GB/T 6109.1-2025.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 6109.1-2025 Enamelled round windings – Part 1.General requirements (IEC 60317-0-1.2019, IDT) 3.Terms, Definitions, General Rules and Appearance 3.1 Terms and Definitions The terms and definitions defined in GB/T 6109.1-2025 apply to this document. The URLs for the terminology databases maintained by ISO and IEC for standardization are as follows. 3.2 General Rules 3.2.1 Test Methods Section 3.2.1 of GB/T 6109.1-2025 applies. If there is any conflict between GB/T 6109.1-2025 and this document, this document shall prevail. 3.2.2 Method for representing winding wire products Class 240 indicates the thermal class, which requires a minimum temperature index of 240 and a thermal shock temperature of at least 260°C. The Celsius temperature corresponding to the temperature index is not necessarily the recommended operating temperature for enameled wire, as this depends on factors including the type of equipment used. Many factors within. 3.3 Appearance Section 3.3 of GB/T 6109.1-2025 applies. ...