BAG FILTER COMPRISING POLYPHENYLENE SULFIDE AND ACRYLIC FIBER

摘要

This invention relates to a bag filter having a tubular section, one clos ed end and one open end, the tubular section having a nonwoven felt comprisi ng an intimate fiber blend of 50 to 80 parts by weight polyphenylene sulfide fiber and 20 to 50 parts by weight acrylic fiber, based on the total weight of polyphenylene sulfide and acrylic fibers in the felt, wherein the acryli c fiber has an equal or lower denier per filament than the polyphenylene sul fide fiber.