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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
Autoclaved aerated concrete slabs
Standard published on 29.9.2020
Selected format:safety glazing materials in building - Part 1: Fire-resistant glass
Standard published on 28.3.2009
Selected format:
Safety glazing materials in building—Part 1: Fire resistant glass
Execute Date: august 2026
Standard published on 31.10.2025
Selected format:Safety glazing materials in building-Part2:Tempered glass
Standard published on 30.8.2005
Selected format:
Safety glazing materials in building—Part 2: Tempered glass
Execute Date: august 2026
Standard published on 31.10.2025
Selected format:Safety glazing materials in building - Part 3: Laminated glass
Standard published on 28.3.2009
Selected format:
Safety glazing materials in building—Part 3: Laminated glass
Execute Date: august 2026
Standard published on 31.10.2025
Selected format:Safety glazing materials in building - Part 4: Heat soaked thermally tempered glass
Standard published on 28.3.2009
Selected format:
Safety glaszing materials in building—Part 4: Heat soaked thermally tempered glass
Execute Date: august 2026
Standard published on 31.10.2025
Selected format:Standard terminology of flat glass
Standard published on 15.10.2008
Selected format:Latest update: 2026-05-02 (Number of items: 2 275 366)
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