FILTER MEDIUM FOR AIR FILTER

摘要

PROBLEM TO BE SOLVED: To provide a filter medium for an air filter containing an anion exchange resin hard to lower performance and a malodor even if processed at a high temperature, and excellent in productivity. SOLUTION: The filter medium for the air filter comprises paper or a nonwoven fabric containing the anion exchange resin having an ion exchange capacity of 0.5 meq/g or more and heat resistance of 100 deg.C or higher.