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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
Determination of mineral matter in coal
Standard published on 12.11.2001
Selected format:Commercial coal quality—Coal for pulverized coal-fired boiler for power generation
Standard published on 14.5.2018
Selected format:Commercial coal quality—Coal for rotary cement kiln
Standard published on 14.5.2018
Selected format:Textiles--Tests for colour fastness--Specification for wool adjacent fabric
Standard published on 16.10.2002
Selected format:Textiles - Tests for colour fastness - Standard adjacent fabrics - Part 2Cotton and viscose
Standard published on 6.8.2008
Selected format:Textiles - Tests for colour fastness - Standard adjacent fabrics - Part 3Polyamide
Standard published on 6.8.2008
Selected format:Textiles--Tests for colour fastness--Specification for polyester adjacent fabric
Standard published on 16.10.2002
Selected format:Textiles--Tests for colour fastness--Specification for acrylic adjacent fabric
Standard published on 16.10.2002
Selected format:Textiles--Tests for colour fastness--Specification for silk adjacent fabric
Standard published on 16.10.2002
Selected format:Textiles - Tests for colour fastness - Standard adjacent fabrics - Part 7Multifibre
Standard published on 6.8.2008
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 585)
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