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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
Rubber,vulcanized or thermoplastic—Determination of compression set—Part 1: At ambient or elevated temperatures
Standard published on 15.5.2015
Selected format:Rubber,vulcanized or thermoplasticDetermination of compression setPart 2:At low temperatures
Standard published on 22.12.2014
Selected format:Rubbervulcanized or thermoplastic--Determination of adhesion to a rigid substrate--90 degrees peel method
Standard published on 10.1.2003
Selected format:Rubber--Determination of adhesion to rigid materials using conical shaped parts
Standard published on 3.7.2003
Selected format:Rubber, vulcanized or thermoplasticResistance to ozone crackingStatic strain testing
Standard published on 22.12.2014
Selected format:Rubber indentification—Infrared spectrometric method
Standard published on 12.7.2017
Selected format:Rubber Products - Test Methods for Chemical Analysis
Standard published on 18.6.2008
Selected format:Standard terminology relating to carbon black
Standard published on 31.12.2014
Selected format:Analogue pneumatic signal for industrial-process measurement and control instruments
Standard published on 30.6.2008
Selected format:Measurement of special metamerism index - Change in illuminant
Standard published on 18.9.2008
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 917)
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