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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
Methods for chemical analysis of tin-lead solders—Part 9Determination of aluminium content—Graphite furnace atomic absorption spectrometric method
Standard published on 14.10.2017
Selected format:Anhydrous lithium chloride
Standard published on 30.4.2007
Selected format:Standard conditions for use prior to and during the testing of solid electrical insulating materials
Standard published on 3.7.2015
Selected format:Electrical insulating materials - Determination of electrolytic corrosion caused by insulating materials-test methods
Standard published on 31.12.2008
Selected format:Specifications for damp heat testing chambers
Standard published on 3.4.2006
Selected format:Specifications for damp heat testing chambers
Standard published on 30.5.2025
Selected format:Specification for salt mist test chambers
Standard published on 3.4.2006
Selected format:Specification for mould growth test chambers
Standard published on 3.4.2006
Selected format:Specification for low temperature test chambers
Standard published on 30.6.2008
Selected format:Specification for high and low temperature/low air pressure testing chambers
Standard published on 3.4.2006
Selected format:Latest update: 2026-03-13 (Number of items: 2 266 261)
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