Improved Fibers For Hot Gas Filtration, 1996 Nonwovens Conference Proceedings
S. L. Samuels, PhD.
E. I. du Pont de Nemours & Co., Inc.
Simple relationships between filtration efficiency of needlefelts and calculated fiber surface area and pore size are used to show the advantages of fine fibers. Examples in both m-aramid and PTFE fiber families are provided.