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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
Corrugated fibreboard--Determination of thickness
Standard published on 19.5.1998
Selected format:
Corrugated fibreboard—Determination of thickness
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Corrugated fiberboard - Determination of ply adhesive strength
Standard published on 12.5.2011
Selected format:Potassium chloride
Standard published on 20.7.2011
Selected format:Chemical reagent - Ammonium persulfate
Standard published on 12.5.2011
Selected format:Information processing -- 9-Track127mm wide magnetic tape for information interchange recorded at 63rpmm phase encoded
Standard published on 28.3.1986
Selected format:Glass containers—Test method for impact resistance
Standard published on 31.10.2025
Selected format:Electrical insulating materials used under severe ambient conditions—Test methods for evaluating resistance to tracking and erosion
Standard published on 23.8.2024
Selected format:Resin based reactive compounds used for electrical insulation--Part 2:Methods of test--Methods for coating pourders for electrical purposes
Standard published on 9.10.2003
Selected format:Type,main dimension, material and marking of mechanical seals
Standard published on 29.9.2024
Selected format:Latest update: 2026-06-21 (Number of items: 2 283 476)
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