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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
Fire hazard testing for electric and electronic products—Part 16: Test flames—50W horizontal and vertical flame test methods
Standard published on 29.12.2017
Selected format:Fire hazard testing for electric and electronic products—Part 17: Test flames—500W flame test method
Standard published on 29.12.2017
Selected format:Fire hazard testing for electric and electronic products—Part 18: Toxicity of fire effluent—General guidance
Standard published on 31.12.2013
Selected format:Fire hazard testing for electric and electronic products—Part 19: Abnormal heat—Mould stress relief distortion test
Standard published on 12.10.2022
Selected format:Fire hazard testing for electric and electronic products—Part 2: Guidance for assessing the fire hazard—General guidelines
Standard published on 11.10.2021
Selected format:Fire hazard testing for electric and electronic products—Part 20: Surface spread of flame—Summary and relevance of test methods
Standard published on 11.10.2021
Selected format:Fire hazard testing for electric and electronic products—Part 21: Abnormal heat—Ball pressure test method
Standard published on 29.12.2017
Selected format:Fire hazard testing for electric and electronic products—Part 22: Test flames—50W flame—Apparatus and confirmational test method
Standard published on 9.10.2015
Selected format:Fire hazard testing for electric and electronic products - Part 23: Test flames-500W vertical flame test method for tubular polymeric materials
Standard published on 30.12.2008
Selected format:Fire hazard testing for electric and electronic products—Part 23:Test flames—500 W vertical flame test method for tubular polymeric materials
Standard published on 29.6.2024
Selected format:Latest update: 2026-06-30 (Number of items: 2 285 193)
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