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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
Methods of performance test for general displacement air compressor
WITHDRAWN published on 1.1.1983
Selected format:Displacement compressor—Acceptance tests
WITHDRAWN published on 10.8.1998
Selected format:Test method for hardness of fiber reinforced plastics by means of a Barcol impressor
WITHDRAWN published on 14.9.1983
Selected format:Test method for hardness of reinforced plastics by means of a Barcol impresser
WITHDRAWN published on 18.5.2005
Selected format:Test method for resin content of carbon fiber reinforced plastics
WITHDRAWN published on 14.9.1983
Selected format:Information security technologySecurity test method for office devices
WITHDRAWN published on 6.3.2020
Selected format:Test method for compression properties of unidirectional fiber reinforced plastics
WITHDRAWN published on 14.9.1983
Selected format:Test method for compression properties of unidirectional fiber reinforced plastics
WITHDRAWN published on 18.5.2005
Selected format:Test method for chemical resistance of glass fiber reinforced thermosetting plastics
WITHDRAWN published on 16.1.1987
Selected format:Test method for chemical resistance of glass fiber reinforced thermosetting plastics
WITHDRAWN published on 18.5.2005
Selected format:Latest update: 2025-12-05 (Number of items: 2 248 732)
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