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Standards GB - Chinese national standards - Page 4793
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
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GB/T 47391.3-2026
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Plastics—Unsaturated-polyester powder moulding compounds (UP-PMCs)—Part 3:Requirements for selected moulding compounds
Execute Date: october 2026
Standard published on 31.3.2026
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GB/T 47392-2026
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Plastics—Epoxy resins—Determination of degree of crosslinking of crosslinked epoxy resins by Fourier Transform Infrared (FTIR) Spectroscopy
Execute Date: october 2026
Standard published on 31.3.2026
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GB/T 47393-2026
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Technical guidelines for directional recycling of waste lithium battery chemicals
Execute Date: october 2026
Standard published on 31.3.2026
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GB/T 47394-2026
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Flue gas condensing heat recovery unit for gas-fired heating boilers
Execute Date: october 2026
Standard published on 31.3.2026
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GB/T 47395-2026
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Evaluation requirements of energy-saving and carbon-reduction technology for flat glass industry
Execute Date: october 2026
Standard published on 31.3.2026
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GB/T 47396-2026
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Evaluation requirements of energy-saving and carbon-reduction technology for architecture and sanitary ceramic industry
Execute Date: october 2026
Standard published on 31.3.2026
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GB/T 47397-2026
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Precast concrete components vibration platform
Execute Date: october 2026
Standard published on 31.3.2026
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GB/T 47398-2026
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Test method for rotary joint
Execute Date: october 2026
Standard published on 31.3.2026
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GB/T 47399-2026
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Test method for antibacterial activity of sanitary wares—Luminescence method
Execute Date: october 2026
Standard published on 31.3.2026
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GB/T 474-2008
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Method for preparation of coal sample
Standard published on 4.12.2008
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