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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
Test method for dirt pickup resistance and stain remvoal of film of architectural coatings and paint
Standard published on 27.11.2013
Selected format:Chains,sprockets and accessories - List of equivalent terms
Standard published on 18.4.2007
Selected format:Industrial detonating cord
Standard published on 15.5.2015
Selected format:Metallic and other non-organic coatings - Sulfur dioxide test with general condensation of moisture
Standard published on 19.6.2008
Selected format:Metallic materials—Vickers and Knoop microhardness tests of metallic and other inorganic coatings
Standard published on 30.4.2021
Selected format:Chromate conversion coatings on zinccadmiumaluminium-zinc alloys and zinc-aluminium alloys--Test methods
Standard published on 29.10.2003
Selected format:
Metallic and other inorganic coatings—Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-aluminium alloys—Test methods
Execute Date: may 2026
Standard published on 31.10.2025
Selected format:Conversion coatings on metallic materials--Determination of coating mass per unit area--Gravimetric methods
Standard published on 5.9.1988
Selected format:Conversion coatings on metallic materials--Determination of coating mass per unit area--Gravimetric methods
Standard published on 29.10.2003
Selected format:Thermal spraying - Metallic and other inorganic coatings - Zinc,aluminium and their alloys
Standard published on 5.11.2012
Selected format:Latest update: 2026-04-14 (Number of items: 2 272 146)
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