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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Specification for insulating materials based on mica—Part 10Mica paper tapes for flame-resistant security cables
Standard published on 11.7.2022
Selected format:Specification for insulating materials based on mica - Part 11: Moulding micanite
Standard published on 10.6.2009
Selected format:Specification for insulating materials based on mica— Part 12Glass fabric backup epoxy dry mica tape with high porosity
Standard published on 29.9.2017
Selected format:Insulating materials based on mica—Part 13High thermal conductivity glass-backed mica tape with less resin
Standard published on 28.12.2023
Selected format:Specification for insulating materials based on mica - Part 2: Methods of test
Standard published on 10.6.2009
Selected format:Specification for insulating materials based on mica - Part 3: Commutator separators and materials
Standard published on 10.6.2009
Selected format:Insulating materials based on mica—Part 4Mica paper
Standard published on 1.8.2025
Selected format:Insulating materials based on mica—Part 5Rigid mica materials for heating equipment
Standard published on 28.12.2023
Selected format:Specification for insulating materials based on mica - Part 3: Specifications for individual materials - Sheet 4: Polyester film-backed mica paper with a B-stage epoxy resin binder
Standard published on 3.12.2007
Selected format:Insulating materials based on mica - Part 7: Glass-backed and film-backed mica paper with an epoxy resin binder for vacuum pressure impregnation(VPI)
Standard published on 10.6.2009
Selected format:Latest update: 2026-07-10 (Number of items: 2 286 359)
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