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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
Working chemical - Ethylenediaminetetraacetic acid disodium salt
Standard published on 25.10.2007
Selected format:Working chemical - Potassium bromate
Standard published on 18.6.2008
Selected format:Working chemical - Silver nitrate
Standard published on 18.6.2008
Selected format:Working chemical - Calcium carbonate
Standard published on 18.6.2008
Selected format:Working chemical - Benzoic acid
Standard published on 18.6.2008
Selected format:Plastics—Ion exchange resin—Determination for the rate of sphericity after osmotic-attrition and attrition
Standard published on 7.9.2023
Selected format:Metallic coatings--Electroplated coatings of tin--Specification and test methods
Standard published on 11.9.2002
Selected format:Process management for avionics—Electronics design—Part 1:Electrical signal properties,naming conventions and interface control document(ICD)
Standard published on 3.12.2025
Selected format:Working chemical - Zinc oxide
Standard published on 18.6.2008
Selected format:Metallic coatings Electroplated coatings of nickel plus chromium on plastics materials
Standard published on 23.6.2005
Selected format:Latest update: 2026-03-27 (Number of items: 2 269 573)
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