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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
Plastics - Epoxy resins - Part 1: Designation
Standard published on 4.8.2008
Selected format:Plastics—Epoxy resins—Part 2: Preparation of test specimens and determination of properties of crosslinked epoxy resins
Standard published on 7.9.2023
Selected format:Information classification and codes of civilaviation
Standard published on 25.4.1996
Selected format:Measurement and evaluation of vibration severity for marine engine-room auxiliaries
Standard published on 3.3.2008
Selected format:Ships and marine technology—Launching appliances for free-fall lifeboats
Standard published on 26.10.2024
Selected format:Test methods of the properties for piezoelectric ceramics - Test for relation between electric field and strain
Standard published on 4.8.2008
Selected format:Torsional vibration absorbers
Standard published on 9.3.2009
Selected format:Re-inspection and re-test procedures for assessment of declared quality levels
Standard published on 6.8.2008
Selected format:Sequential sampling plans for inspection by variables for percent nonconforming (known standard deviation)
Standard published on 28.1.2026
Selected format:Ferrocement slab
Standard published on 28.1.2026
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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