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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
Plastics—Identification of recycled plastics—Part 1:Poly(ethylene terephthalate)(PET) materials
Standard published on 1.8.2025
Selected format:Plastics—Identification of recycled plastics—Part 2:Polypropylene(PP) materials
Standard published on 1.8.2025
Selected format:Plastics—Guide of design for recycling—Part 1:Poly(ethylene terephthalate)(PET)materials
Standard published on 1.8.2025
Selected format:Plastics—Guide of design for recycling—Part 2:High density polyethylene(PE-HD) materials
Standard published on 1.8.2025
Selected format:Test and evaluation methods for solar and thermal comfort of automotive safety glazing
Standard published on 1.8.2025
Selected format:Cover glass for vehicle displays
Standard published on 1.8.2025
Selected format:Smart glazing used on road vehicles—Part 1:Organic electrochromic glazing
Standard published on 1.8.2025
Selected format:Smart glazing used on road vehicles—Part 2:Polymer dispersed liquid crystal glazing
Standard published on 1.8.2025
Selected format:Smart glazing used on road vehicles—Part 3:Electro-field modulated particle orientation glazing
Standard published on 1.8.2025
Selected format:Paints and varnishes—Determination of flow time by use of flow cups
Standard published on 1.8.2025
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 285)
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