AN AIR FILTER COMPRISING ELECTROSTATIC FILTERING LAYER(S) CONSISTING OF SPUNLACE NON-WOVEN FABRIC PRODUCED FROM POLYOLEFIN SHORT FIBERS

摘要

PURPOSE: An air filter including a static filter layer consisting of spun lace non-woven manufactured of polyolefin monofiber is provided to offer superior dust collecting efficiency for a long time. CONSTITUTION: Spun lace non-woven for a static filter layer includes monofiber. The polyolefin monofiber includes 80~100 weight% of the monofiber. The monofiber includes natural, synthetic or reproduction monofiber of 0~20 weight%. The spun lace non-woven is manufactured by spun lacing. The air filter includes a static filter layer consisting of the spun lace non-woven.