GB/T 29627.3-2023Aramid pressboard for electrical purposes—Part 3: Specifications for individual materials (English PDF)

Foreword

This document follows the rules of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting:

This document is Part 3 of GB/T 29627 "Polyaramid Fiber Paperboard for Electrical Use": GB/T 29627 has released the following part:

— Part 1: Definition, name and general requirements;

— Part 2: Test methods;

— Part 3: Individual material specifications:

Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:

This document is proposed by the China Electrical Equipment Industry Association:

This document is under the jurisdiction of the National Insulation Materials Standardization Technical Committee (SAC/TC51):

This document was drafted by: Guilin Electrical Apparatus Research Institute Co:, Ltd:, Yantai Minshida Special Paper Co:, Ltd:, Chaomeisi New Materials Materials Co:, Ltd:, Nantong Zhongling Electric Power Technology Co:, Ltd:, Guilin Saimeng Testing Technology Co:, Ltd:, Sichuan Dongcai New Materials Co:, Ltd:

Responsible company, Hunan Guangxin Electrical Technology Co:, Ltd:, Hubei Pingan Electrical Technology Co:, Ltd:, Ganzhou Longbang Material Technology Co:, Ltd:, Wuhan Engineering University, DuPont (China) R&D Management Co:, Ltd:, Guilin Institute of Aerospace Industry, Hubei Pingan Electrical Industry Co:, Ltd:, Kaifeng Kua Ke New Materials Co:, Ltd:, Shandong Zhaoyu Petroleum Technology Co:, Ltd:, Zhejiang Huitong New Materials Co:, Ltd:, Kangliyuan Technology (Tianjin) Co:, Ltd:

Co:, Ltd:, CRRC Yongji Electric Co:, Ltd:, China Southern Power Grid Co:, Ltd: Ultra-High Voltage Transmission Company, Dongfang Electric Group Dongfang Electric Machinery Co:, Ltd:, Harbin Electric Machinery Factory Co:, Ltd:, Guangdong Power Grid Co:, Ltd: Electric Power Research Institute, Shanghai Electric Group Hai Electric Machinery Co:, Ltd:, Shandong Qilu Electric Machinery Manufacturing Co:, Ltd:, Mingzhu Electric Co:, Ltd:

The main drafters of this document: Song Yuxia, Wang Mingjun, Sun Yu, Sun Yanlei, Lu Chuanlu, Huang Youyu, Lu Yong, Li Wei, Zhao Jie, Zhang Lei, Yu Faquan, Wang Feng, Li Jun, Xu Jun, Chang Xiaobin, Lu Guifeng, He Mingpeng, Liao Shuncheng, Wei Chen, Yu Wenwu, Ye Xindong, Sun Zhonghai, Fu Qiang, Liu Guanfang, Zhang Yun, Wei Jingsheng, Hu Chunxiu, Cai Dingguo, Feng Wei, Zhu Wei, Luo Zanchen, Wu Bing, Luo Chuanyong:

Introduction

Electrical polyaramid fiber paperboard is widely used in the research and development, production, quality inspection, sales, acceptance and technical exchange of this series of products:

GB/T 29627 "Polyaramid Fiber Paperboard for Electrical Use" specifies the definition, general requirements and testing of polyaramid fiber paperboard for electrical use:

The methods and product standards for each individual material are planned to be composed of the following parts:

— Part 1: Definition, name and general requirements: The purpose is to determine the terms and definitions, general Require:

— Part 2: Test methods: The purpose is to determine the test method for polyaramid fiber paperboard for electrical applications:

— Part 3: Individual material specifications: The purpose is to determine the classification, nomenclature, requirements, and test methods of polyaramid fiber paperboard for electrical use:

laws, inspection rules, marking, packaging, transportation and storage:

Polyaramid fiber paperboard for electrical applications Part 3: Individual material specifications

1 Scope

This document specifies the classification and nomenclature, requirements, inspection rules, marking, packaging, transportation and storage of polyaramid fiber paperboard for electrical use, describing The corresponding test methods are described:

This document applies to the manufacture of polyaramid fiber paperboard, but does not apply to polyaramid fiber paperboard made by adhesive gluing:

2 Normative reference documents

GB/T 19264

GB/T 29627

GB/T 29627

3 Terms and definitions

There are no terms or definitions to be defined in this document:

4 Classification and naming

The single material of electrical aramid fiber paperboard currently mainly includes three models: APB-LD, APB-C and APB-HD:

According to the regulations of GB/T 29627:1-2013, the model naming of polyaramid fiber paperboard for electrical purposes is as shown in Table 1:

Table 1 Models of polyaramid fiber paperboard for electrical use Model Characteristics Description Apparent density g/cm3 APB-LD low density 0:5~0:7 APB-C medium density >0:7~1:0 APB-HD high density >1:0~1:2

5 Requirements

In addition to the general requirements specified in Chapter 4 of GB/T 29627:1-2013, polyaramid fiber paperboard for electrical purposes should also comply with Tables 2 and 3 specify the performance requirements for the corresponding models: Among them, the recommended thickness of medium density (APB-C type) cardboard is 1:0mm: