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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
Environmental testing for electric and electronic products—Part 2:Test methods—Test Cb:Damp heat, steady state, primarily for equipment
WITHDRAWN published on 2.11.2001
Selected format:Hot rolled wire rod for prestressed steel
WITHDRAWN published on 15.7.2009
Selected format:Basic environmental testing procedures for electric and electronic products—Guidance for high temperatureand low temperature tests
WITHDRAWN published on 10.8.1981
Selected format:Environmental testing for electric and electronic products—Guidance for high temperature and low temperature tests
WITHDRAWN published on 3.3.2005
Selected format:Basic environmental testing procedures for electric and electronic products—General guidance of accelerated testing for atmospheric corrosion
WITHDRAWN published on 19.11.1993
Selected format:Basic environmental testing procedures for electric and electronic products--Guidance for sulphur dioxide test for contacts and connections
WITHDRAWN published on 23.9.1982
Selected format:Basic environmental testing procedures for electric and electronic products--Guidance forhydrogen sulphide test for contacts and connections
WITHDRAWN published on 23.9.1982
Selected format:Electric and electronic products--Basic environmental test regulations for electricians--Guidelines for temperature variation tests
WITHDRAWN published on 10.8.1981
Selected format:Environmental testing for electric and electronic products—Part 2:Test methods—Guidance on change of temperature tests
WITHDRAWN published on 13.6.2002
Selected format:Environmental testing for electric and electronic products—Part 2:Test methods—Guidance for solar radiation testing
WITHDRAWN published on 29.8.1995
Selected format:Latest update: 2024-05-01 (Number of items: 2 896 514)
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