Standards GB - Chinese national standards - Page 4864

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 47905.1-2026

Human response to vibration—Measuring instrumentation—Part 1:General purpose vibration meters
Execute Date: february 2027

Standard published on 30.7.2026

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GB/T 47906-2026

Practice methods for nanotopography of 300 mm silicon wafer surface
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47907-2026

Continuous-fibre-reinforced ceramic composites—Test methods for interlaminar shear strength and shear modulus at ambient temperature—Double-notched compression and V-notched beam test
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47908-2026

Composites and reinforcements fibres—Carbon fibre reinforced plastics(CFRPs) and metal assemblies—Characterization of durability of adhesive interfaces by wedge rupture test
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47909-2026

Diamond polycrystal wafers
Execute Date: february 2027

Standard published on 2.7.2026

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