SCRIM INSERTED ELECTROSTATIC FIBROUS FILTER WEB (SCRIM INSERTED ELECTROSTATIC FIBER FILTER WEB)

摘要

The present invention is directed to a nonwoven web (10) of electrostatically charged fibers needle-punched onto a scrim (11) support. The web 10 provides a filter medium with increased uniformity in terms of pressure-strengthening, basis weight and filtration performance.