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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
Natural casings
Standard published on 12.10.2022
Selected format:Textiles-Bursting properties of fabrics-Part1:Hydraulic method for determination of bursting strength and bursting distension
Standard published on 4.11.2005
Selected format:Textiles—Bursting properties of fabrics—Part 2: Pneumatic method for determination of bursting strength and bursting distension
Standard published on 11.9.2015
Selected format:Hydrofluoric acid for industrial use
Standard published on 7.9.2023
Selected format:Anhydrous hydrogen fluoride for industrial use
Standard published on 27.11.2023
Selected format:Test method of cleavage strength of adhesive (metal to metal)
Standard published on 25.5.1987
Selected format:Test method of creep properties of adhesive in shear by tension loading (metal to metal)
Standard published on 25.5.1987
Selected format:Test method for dielectric strength and voltage withstand of insulating adhesive tape at power frequency
Standard published on 29.8.2025
Selected format:Rubber,vulcanized or thermoplastic—Determination of permeability to gases—Part 1:Differential-pressure methods
Standard published on 17.9.2018
Selected format:Rubber, vulcanized or thermoplastic—Determination of permeability to gases—Part 2: Equal-pressure methods
Standard published on 10.12.2019
Selected format:Latest update: 2026-05-13 (Number of items: 2 276 848)
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