GB/T 456-2002
ActivePaper and board--Determination of smoothness (Bekk method)
纸和纸板平滑度的测定(别克法)
Application Summary AI generated
GB/T 456-2002 specifies the Bekk method for measuring the smoothness of paper and board, determining the time required for a specific volume of air to pass between the test surface and a glass plate under defined pressure. This standard is applied in the paper manufacturing and quality control industries to evaluate surface finish for printing, writing, and packaging papers, ensuring consistent performance in high-speed printing processes.
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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.