GB/T 7970.4-2002
Replaced
GB/T 20632.2-2022
Active
National standards
GB/T 20632.2-2022 Vulcanized fibre for electrical purposes—Part 2:Methods of test
GB/T 20632.2-2022 Vulcanized fibre for electrical purposes—Part 2:Methods of test
Basic Information
Standard Code:
GB/T 20632.2-2022
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Electrician's insulating materials and their products
ICS Name:
Paper and cardboard insulation materials
Publish Date:
2022-07-11
Implement Date:
2023-02-01
Pages:
11 pages
Scope
This document describes the test methods for electrical steel paper.
This document is not applicable to materials made by bonding several layers of steel paper with adhesives.
Materials that comply with this document can meet the established performance levels. When users select materials for specific purposes, they should do so based on the actual needs necessary for adequate performance in that application, rather than solely relying on this document.
Safety warning: It is the user's responsibility to ensure that the methods contained or referenced in this document are used in a safe manner.
Development Information
Same series standard
Referenced Standards
Adopt standards
IEC 60667-2:2020
Related Standards
GB/T 19264.3-2003
Replaced
GB/T 19264.3-2003 Specification for pressboard and press paper for electrical purposes—Part 3:Specifications for individual materials—Sheet 1:Requirements for pressboard, types B.0.1,B.2.1,B.2.3,B.3.1,B.3.3,B.4.1,B.4.3,B.5.1,B.6.1 and B.7.1
GB/T 7969-2003
Replaced
GB/T 7969-2003 Electric power cable paper
GB/T 20628.1-2006
Active
GB/T 20628.1-2006 Specification for cellulosic papers for electrical purposes—Part 1:Definitions and general requirements
GB/T 20628.2-2006
Active
GB/T 20628.2-2006 Cellulosic papers for electrical purposes—Part 2:Methods of test
GB/T 20629.1-2006
Active