THIN, RESIN-SATURABLE AROMATIC POLYAMIDE PAPER AND PROCESS FOR MAKING SAME

摘要

A nonwoven, flexible sheet and process for making same consisting essentially of a comingled mixture of about 55 to about 75% by weight short fibers of poly(meta-phenylene isophthalamide) and about 25 to about 45% by weight fibrids of poly(meta-phenylene isophthalamide). The sheet has a basis weight of between about 10 and about 25 g/m2 and a thickness of between about 25 and about 45 microns and is impregnatable with resins or silicone oils.