Nonwoven filter media for gas

Details Nonwoven filter media for gas Nonwoven filter media for gas

B - Operations, Transporting

01

D

B01D 39/04 (2006.01) B01D 39/08 (2006.01) D01F 8/06 (2006.01) D04H 3/16 (2006.01)

Patent

CA 2154093

The present invention provides a filter medium, which contains an electretized nonwoven web of crimped fibers selected from the group consisting of spunbond filaments and staple fibers, wherein the nonwoven web has a Frazier permeability equal to or greater than about 100 ft3/min/ft2 and a density between about 0.01 g/cm3 and about 0.095 g/cm3.

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