EMBOSSABLE FILTER WEB

摘要

A thermoformable air permeable coherent filter web containing a blend of glass wool fibers with chopped strand glass fibers together with a polymeric binder thermoformable at a temperature from 200-350.degree.F and capable of undergoing crosslinking upon heating to a temperature above 280.degree.F. The web is capable of being embossed in the dry state without cracking or splitting.