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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
Specification on evaluation methods of hazards of liquid chemicals transported in bulk by shipping--Bioaccumulation testing method for aquatic organism
Standard published on 16.5.1996
Selected format:Specification on evaluation methods of hazards of liquid chemicals transported in bulk by shipping--Taint testing method for aquatic organism
Standard published on 16.5.1996
Selected format:Specification on evaluation methods of hazards of liquid chemicals transported in bulk by shipping--Toxicity test method for mammal
Standard published on 16.5.1996
Selected format:Specification on evaluation method of hazards of liquid chemical transported in bulk by shippingPart 5: Hazard evaluation procedure and determination of pollution category
Standard published on 31.12.2019
Selected format:Specification and test method for road traffic markings
Standard published on 23.8.2024
Selected format:Polymide woven glass fabric copper clad laminated sheets for printed circuits
Standard published on 31.7.2017
Selected format:Specification for conduit fittings for electrical installations--Part 1:General requirements
Standard published on 20.5.1996
Selected format:Basic test method for rotating traction electrical machines
Standard published on 31.12.2021
Selected format:Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 1:General principles
Standard published on 31.12.2024
Selected format:Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 2: Poly(vinyl chloride) resins
Standard published on 5.10.2025
Selected format:Latest update: 2026-06-12 (Number of items: 2 281 969)
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