GB/T 458-2008
ActivePaper and board - Determination of air permeance
纸和纸板透气度的测定
Application Summary AI generated
This standard specifies the method for measuring the air permeance of paper and board, which is the rate at which air passes through a specified area under a defined pressure differential. It is applied in the paper manufacturing and packaging industries to evaluate the porosity of materials used in products like filter papers, cigarette papers, and packaging for moisture-sensitive goods. The test is critical for quality control to ensure consistent performance in applications requiring controlled air flow or barrier properties.
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Paper, board, pulps and related terms - Vocabulary
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.