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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
Cycle inner tubes
Standard published on 7.9.2017
Selected format:Polyvinylidene chloride (PVDC) flat-film for food-packaging
Standard published on 10.5.2019
Selected format:Textiles--Effect of dry heat on fabrics under low pressure--Part 1:Procedure for dry-heat treatment of fabrics
Standard published on 9.10.1997
Selected format:Textiles--Effect of dry heat on fabrics under low pressure--Part 2:Determination ofdimensional change in fabrics exposed to dry heat
Standard published on 9.10.1997
Selected format:Determination of germanium in uranium geological samples--Salicyl fluorone spectrophotometry
Standard published on 14.10.1997
Selected format:Plastics—Injection moulding of test specimens of thermoplastic materials—Part 1:General principlesand moulding of multipurpose and bar test specimens
Standard published on 10.5.2019
Selected format:Plastics—Injection moulding of test specimens of thermoplastic materials—Part 2:Small tensile bars
Standard published on 14.12.2020
Selected format:Plastics--Injection moulding of test specimens of thermoplastic materials--Part 3: Small plates
Standard published on 10.2.2003
Selected format:Plastic--Injection moulding of test specimens of thermoplastic materials--Part 4: Determination of moulding shrinkage
Standard published on 10.2.2003
Selected format:Plastics—Injection moulding of test specimens of thermoplastic materials—Part 5: Preparation of standard specimens for investigating anisotropy
Standard published on 14.12.2020
Selected format:Latest update: 2026-08-28 (Number of items: 2 298 625)
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