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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
Chemical reagent—Cupric oxide powder
Standard published on 29.9.2024
Selected format:Paints and varnishes - Bend test (cylindrical mandrel)
Standard published on 11.9.2007
Selected format:Plastics(polyester resins) and paints and varnishes(binders) - Determination of partial acid value and total acid value
Standard published on 4.6.2008
Selected format:Binders for paints and varnishes - Determination of saponification value - Titrmetric method
Standard published on 4.6.2008
Selected format:Topside paint
Standard published on 14.5.2008
Selected format:Oil tank paint for ship
Standard published on 4.6.2008
Selected format:Shop primer for ship building
Standard published on 14.5.2008
Selected format:Anticorrosive paint for ship
Standard published on 4.6.2008
Selected format:Method of specifying colour for paint films
Standard published on 26.9.1997
Selected format:Chemical reagent - Iodine
Standard published on 12.5.2011
Selected format:Latest update: 2026-08-05 (Number of items: 2 291 440)
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