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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
Test methods for shear strength by compression loading at high temperature of inorganic adhesives
Standard published on 6.8.2023
Selected format:Carbon fibre reinforced composites—Method for accelerated moisture absorption and supersaturated conditioning by moisture using sealed pressure vessel
Standard published on 6.8.2023
Selected format:Corrosion of metals and alloys—Test method for high temperature corrosion testing of metallic materials by immersing in molten salt or other liquids under static conditions
Standard published on 6.8.2023
Selected format:Corrosion of metals and alloys—Test method for high temperature corrosion testing of metallic materials by embedding in salt,ash,or other solids
Standard published on 6.8.2023
Selected format:Test method for fracture toughness of aluminium alloy products
Standard published on 6.8.2023
Selected format:Specification for identification of copper concentrates and main copper-bearing materials
Standard published on 6.8.2023
Selected format:Specification for identification of copper concentrates and main copper-bearing materials
Standard published on 6.8.2023
Selected format:Identification marking of aluminium and aluminium alloy products
Standard published on 6.8.2023
Selected format:Polyvinyl chloride resin for matt products
Standard published on 6.8.2023
Selected format:Plastics—Thermoplastic polyurethanes for moulding and extrusion—Part 1:Designation system and basis for specifications
Standard published on 6.8.2023
Selected format:Latest update: 2026-09-22 (Number of items: 2 302 417)
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