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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
Dimensional tolerances for moulded, extruded and calendered solid rubber products
WITHDRAWN published on 9.6.1992
Selected format:Phthalocyanine blue B
WITHDRAWN published on 30.12.1993
Selected format:Maleic anhydride for industrial use
WITHDRAWN published on 14.1.1992
Selected format:Maleic anhydride for industrial use
WITHDRAWN published on 4.6.2008
Selected format:Plastics—Test method of exposure to weathering
WITHDRAWN published on 31.7.2000
Selected format:Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics
WITHDRAWN published on 27.10.2000
Selected format:Rubber hoses and hose assemblies—Wire reinforced hydraulic type
WITHDRAWN published on 12.12.1992
Selected format:Rubber hoses and hose assemblies—Wire-braid-reinforced hydraulic types for oil-based or water-based fluids—Specification
WITHDRAWN published on 12.5.2011
Selected format:Rubber hoses and hose assemblies—Wire-braid-reinforced hydraulic types—Specification—Part 1:Oil-based fluid applications
WITHDRAWN published on 1.8.2006
Selected format:Conveyor belts--Electrical conductivity--Specification and method of test
WITHDRAWN published on 14.5.1983
Selected format:Latest update: 2024-04-29 (Number of items: 2 896 215)
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