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Standards GB - Chinese national standards - Page 4849

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 47879-2026

Plastics—Fast differential scanning calorimetry (FSC)—Chip calorimetry
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47880-2026

Rare earth-based hydrogen storage alloys—Test method for cycle stability of hydrogen adsorption and desorption reactions
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47881-2026

Rare earth-based hydrogen storage alloys—Test method for thermodynamic properties of hydrogenation dehydrogenation reactions
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47882-2026

Gas analysis—Fourier transform infrared spectroscopy based on comparison methods
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47883-2026

Technical conditions of tuned mass dampers
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47884-2026

General technical requirements of digitalization for urban drainage pipe networks
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47885-2026

Green product assessment—Steel sections
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47886-2026

Metallic and other inorganic coatings—Electrodeposited silver and silver alloy coatings for engineering purposes—Specification and test methods
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47887-2026

Technical requirements for the system of skid-resistant and wear-resistant modified epoxy coating of roads and bridges
Execute Date: february 2027

Standard published on 2.7.2026

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