GB/T 5020-2002
Replaced
GB/T 5019.4-2025
Active
National standards
GB/T 5019.4-2025 Insulating materials based on mica—Part 4:Mica paper
GB/T 5019.4-2025 Insulating materials based on mica—Part 4:Mica paper
Price:
$ 66
Basic Information
Standard Code:
GB/T 5019.4-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Electrician's insulating materials and their products
ICS Name:
Mica-based materials
Publish Date:
2025-08-01
Implement Date:
2026-02-01
Pages:
20 pages
Scope
This document specifies the classification, requirements, supply, marking, and testing methods for mica paper used for electrical insulation.
This document is applicable to the manufacture of mica paper used for electrical insulation.
Development Information
Replace the following standards
Referenced Standards
GB/T 451.2-2002 Paper and board—Determination of grammage
GB/T 451.2-2023 Paper and board—Part 2:Determination of grammage
GB/T 451.3-2002 Paper and board—Determination of thickness
GB/T 5019.2-2009 Specification for insulating materials based on mica—Part 2:Methods of test
GB/T 20628.2-2006 Cellulosic papers for electrical purposes—Part 2:Methods of test
GB/T 7196-1987 Methods of test for the determination of ionic impurities in electrical insulating materials by extraction with liquids
GB/T 7196-2012 Methods of test for the determination of ionic impurities in electrical insulating materials by extraction with liquids
ISO 5636-5
Adopt standards
IEC 60371-3-2:2005
Related Standards
GB/T 5021-2002
Replaced
GB/T 5021-2002 Commutator separators and materials
GB/T 5019-2002
Replaced
GB/T 5019-2002 Insulating materials based on mica—Methods of test
GB/T 5019.1-2009
Active
GB/T 5019.1-2009 Specification for insulating materials based on mica—Part 1:Definitions and general requirements
GB/T 5019.2-2009
Active
GB/T 5019.2-2009 Specification for insulating materials based on mica—Part 2:Methods of test
GB/T 5019.3-2009
Active