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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
Judging method for Mixed coal type of commercial coal
Standard published on 17.12.2013
Selected format:Polyvinyl chloride paste resins
Standard published on 31.12.2021
Selected format:Plasticized poly(vinyl chloride) compounds for transfusion (infusion) equipment
Standard published on 19.11.2020
Selected format:Plastics - Octahydroxy polyether polyols
Standard published on 26.9.2010
Selected format:Polyvinyl chloride resins - Test methods for the thermal stability - Whiteness method
Standard published on 15.5.2008
Selected format:Plastics—Determination of changes in colour and variations in properties after exposure to glass-filtered solar radiation, natural weathering or laboratory radiation sources
Standard published on 20.8.2021
Selected format:Plastics - Poly(methyl methacrylate)(PMMA)moulding and extrusion materials - Part 1: Designation system and basis for specifications
Standard published on 15.6.2009
Selected format:Plastics—Poly(methyl methacrylate)(PMMA) moulding and extrusion materials—Part 1:Designation system and basis for specifications
Standard published on 29.6.2024
Selected format:Plastics - Poly(methyl methacrylate)(PMMA)moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties
Standard published on 26.9.2010
Selected format:Plastics—Poly(methyl methacrylate)(PMMA)moulding and extrusion materials—Part 2:Preparation of test specimens and determination of properties
Standard published on 29.6.2024
Selected format:Latest update: 2026-06-12 (Number of items: 2 281 969)
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