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Title: Some critical manufacturing parameters affecting the properties of nonwoven dust filters
Authors: Balasubramanian, N
Rakshit, A K
Patil, V K
Keywords: Air permeability;Calendering;Dust filters;Fabric thickness;Filter specifications;Needle-punched nonwoven filters;Scrim cloth;Thermal shrinkage
Issue Date: Mar-1993
Publisher: NISCAIR-CSIR, India
Abstract: The results of a study on manufacturing of needle-punched nonwoven filters from polyester staple fibre, to meet the specifications achieved in imported filters, show that calendering of needle-punched material helps to achieve the compactness and air permeability specifications. Increase in calender pressure decreases the fabric thickness and air permeability up to a point after which there is not much change. Heat setting of the filter brings down its thermal shrinkage and elongation at low load to a level close to the specifications.
Page(s): 8-13
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:IJFTR Vol.18(1) [March 1993]

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