Bag filter comprising meta-aramid and acrylic fiber

Details Bag filter comprising meta-aramid and acrylic fiber Bag filter comprising meta-aramid and acrylic fiber

B - Operations, Transporting

01

D

B01D 39/16 (2006.01)

Patent

CA 2659175

This invention relates to a bag filter having a tubular section, one closed end and one open end, the tubular section having a nonwoven felt comprising an intimate fiber blend of 50 to 80 parts by weight meta-aramid fiber and 20 to 50 parts by weight acrylic fiber, based on the total weight of meta-aramid and acrylic fibers in the felt, wherein the acrylic fiber has an equal or lower denier per filament than the meta-aramid fiber.

L'invention concerne un filtre à manchon présentant une partie tubulaire, une extrémité fermée et une extrémité ouverte. La partie tubulaire comprend un feutre non-tissé comprenant un mélange intime de fibres de 50 à 80 parties en poids de fibres de méta-aramide et de 20 à 50 parties en poids de fibres acryliques, en fonction du poids total de fibres de méta-aramide et de fibres acryliques contenues dans le feutre. Les fibres acryliques présentent une qualité (denier par filament) supérieure ou égale à celle des fibres de méta-aramide.

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