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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
Plastics - Epoxy resins - Determination of chlorine content - Part 1: Inorganic chlorine
Standard published on 4.8.2008
Selected format:Plastics - Epoxy resins - Determination of chlorine content - Part 2: Easily saponifiabLe chlorine
Standard published on 4.8.2008
Selected format:
Plastics—Determination of chlorine content in epoxy resins—Part 3: Total chlorine
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Test method on electrical insulation performance of superconducting magnet made from CICC
Standard published on 29.8.2025
Selected format:General requirements of use for tethered balloon
Standard published on 29.8.2025
Selected format:Paper and pulp—Deinkability test for printed paper products
Standard published on 29.8.2025
Selected format:Footwear—Chemical tests—Determination of chlorinated phenols—GC-MS/MS
Standard published on 29.8.2025
Selected format:Paper and board—Tests for colour fastness
Standard published on 29.8.2025
Selected format:Liquid crystalline polyarylate filament yarns
Standard published on 29.8.2025
Selected format:Lighting control interface for dimming—Analogue voltage dimming interface for electronic current sourcing controlgear
Standard published on 29.8.2025
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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