The needle punching density influence on material permeability in air filtration has been investigated. It has been found that the maximum permeability is gained under definite density of needle punching. The density of needle punching material is proposed to be estimated by the pore size and the pore tortuosity. The density influence of needle punching on characteristic variation has been demonstrated.
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Translated from Khimicheskie Volokna, No. 1, pp. 35-37, January-February, 2009.
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Dedov, A.V. Effect of needle-punching density on the permeability of materials. Fibre Chem 41, 41–42 (2009). https://doi.org/10.1007/s10692-009-9114-1
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DOI: https://doi.org/10.1007/s10692-009-9114-1