GB 31040-2014
ActiveLimit of residual formaldehyde from the concrete admixtures
混凝土外加剂中残留甲醛的限量
Application Summary AI generated
GB 31040-2014 specifies the maximum allowable limit of residual formaldehyde in concrete admixtures to ensure safety and environmental compliance. It is applied in the construction industry for quality control of chemical additives used in concrete production, particularly in indoor or enclosed building environments where formaldehyde off-gassing could pose health risks. The standard is referenced during material testing, procurement, and regulatory inspections for ready-mix concrete and precast concrete products.
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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.