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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
Petroleum and natural gas industries terminology—Part 6:Safety and environmental protection and energy conservation
Standard published on 2.6.2020
Selected format:Textiles--Tests for colour fastness--General principles for measurement of surface colour
Standard published on 26.2.2001
Selected format:Textiles--Tests for colour fastness--Instrumental assessment of relative whiteness
Standard published on 26.2.2001
Selected format:Textiles--Tests for colour fastness--Calculation of colour differences
Standard published on 26.2.2001
Selected format:Textiles--Tests for colour fastness--Colour fastness to light:Daylight
Standard published on 26.11.1998
Selected format:TextilesTests for color fastnessColor fastness to artificial lightXenon arc
Standard published on 31.12.2019
Selected format:Textiles--Tests for colour fastness--Colour fastness to weathering:Outdoor exposure
Standard published on 26.11.1998
Selected format:Textiles--Tests for colour fastness--Colour fastness to artificial weathering:Xenon arc fading lamp test
Standard published on 26.11.1998
Selected format:Textiles--Tests for colour fastness--Detection and assessment of photochromism
Standard published on 26.11.1998
Selected format:TextilesTests for colour fastnessColour fastness to chlorinated water (swimming-pool water)
Standard published on 17.12.2013
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
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