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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
Preparation of steel substrates before application of paints and related products--Specifications for non-metallic blast-cleaning abrasives--Copper refinery slag
Standard published on 31.8.1999
Selected format:Preparation of steel substrates before application of paints and related products—Specifications for non-metallic blast-cleaning abrasives—Part 4:Coal furnace slag
Standard published on 29.12.2017
Selected format:Preparation of steel substrates before application of paints and related products—Specifications for non-metallic blast-cleaning abrasives—Part 5:Nickel refinery slag
Standard published on 29.12.2017
Selected format:Preparation of steel substrates before application of paints and related products - Specifications for non-metallic blast-cleaning abrasives - Part 6: Iron furnace slag
Standard published on 30.12.2011
Selected format:Preparation of steel substrates before application of paints and related products—Specifications for non-metallic blast-cleaning abrasives—Part 7: Fused aluminium oxide
Standard published on 29.12.2017
Selected format:Preparation of steel substrates before application of paints and related products—Specifications for non-metallic blast-cleaning abrasives—Part 9: Staurolite
Standard published on 20.8.2021
Selected format:Geometrical product specifications (GPS)—Geometrical tolerancing—Datums and datum systems
Standard published on 30.12.2022
Selected format:Geometrical product specifications(GPS)—Geometrical tolerancing—Profile tolerancing
Standard published on 17.9.2018
Selected format:Tubular cored electrodes for stainless steels
Standard published on 14.5.2018
Selected format:Solid wire electrodes /flux combinations for submerged arc welding of stainless steels
Standard published on 15.3.2018
Selected format:Latest update: 2026-09-04 (Number of items: 2 300 131)
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