Standards GB - Chinese national standards - Page 5499

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

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GB/T 11026.3-2017 WITHDRAWN

Electrical insulating materials—Thermal endurance properties —Part 3: Intrucations for calculating thermal endurance characteristics

WITHDRAWN published on 29.12.2017

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GB/T 11026.4-1999 WITHDRAWN

Guide for the determination of thermal endurance properties of electrical insulating materials—Part 4:Ageing ovens—Single-chamber ovens

WITHDRAWN published on 13.9.1999

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GB/T 11026.7-2014 WITHDRAWN

Electrical insulating materialsThermal endurance propertiesPart 7: Determination of relative thermal endurance index (RTE) of insulating material

WITHDRAWN published on 6.5.2014

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GB/T 11026.8-2014 WITHDRAWN

Electrical insulating materialsThermal endurance propertiesPart 8: Determination of thermal endurance indices (TI and RTE) of an insulating material using the fixed time frame method

WITHDRAWN published on 6.5.2014

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