GB/T 21120-2018
ActiveSynthetic fibres for cement cement concrete and mortar
水泥混凝土和砂浆用合成纤维
Application Summary AI generated
GB/T 21120-2018 specifies the technical requirements, test methods, and quality criteria for synthetic fibres used as reinforcement in cement concrete and mortar. It applies to the production and quality control of fibres such as polypropylene, polyacrylonitrile, and polyvinyl alcohol, which are added to concrete or mortar to improve crack resistance, toughness, and durability. This standard is primarily used in the construction industry for structural and non-structural applications, including pavements, bridges, tunnels, and industrial flooring.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.