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Standards GB - Chinese national standards - Page 4640
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 47064-2026
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Greenhouse gases—Quantification requirement and method for carbon footprint of products—Iron and steel products
Execute Date: august 2026
Standard published on 28.1.2026
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GB/T 47065-2026
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Surface chemical analysis—Surface characterization—Measurement of the lateral resolution of a confocal fluorescence microscope
Execute Date: august 2026
Standard published on 28.1.2026
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GB/T 47066-2026
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Plastics—Determination of the total luminous transmittance and reflectance
Execute Date: august 2026
Standard published on 28.1.2026
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GB/T 47067-2026
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Plastics moulded parts—Tolerances and acceptance conditions
Execute Date: august 2026
Standard published on 28.1.2026
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GB/T 47068-2026
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Technical requirements for equipments of construction and demolition waste sorting system
Execute Date: august 2026
Standard published on 28.1.2026
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GB/T 47069.1-2026
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Determination of particle density—Sedimentation methods—Part 1:Isopycnic interpolation approach
Execute Date: august 2026
Standard published on 28.1.2026
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GB/T 47070-2026
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Thermal insulating products for building applications—Limit value of decabromodiphenyl ether (decaBDE)
Execute Date: august 2026
Standard published on 28.1.2026
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GB/T 47071-2026
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Plastics—Production quality control—Statistical method for using single measurements
Execute Date: august 2026
Standard published on 28.1.2026
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GB/T 47072-2026
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Thermal insulating products for building applications—Determination of released acrylic acid content and free acrylic acid content
Execute Date: august 2026
Standard published on 28.1.2026
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GB/T 47073-2026
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Surface chemical analysis—Depth profiling—Non-destructive depth profiling of nanoscale heavy metal oxide thin films on Si substrates with medium energy ion scattering
Execute Date: august 2026
Standard published on 28.1.2026
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