BLENDED NONWOVEN FABRIC FILTER FILTRATION MATERIAL AND FILTER UNIT

摘要

The present invention provides a filter medium having a low pressure loss. The present invention provides a filter filter material having a fluororesin porous membrane and a breathable support member laminated on at least one surface of the fluororesin porous membrane, wherein the breathable support member is made of polyester fiber in the core and polycarbura (A), It is a filter filter material which is a blended nonwoven fabric containing polyester fiber (B) and the core sheath fiber (C) which used polyester for the core part, and copolymerized polyester for the core part.