Carbon fiber with increased bulk density comprising vapor grown carbon fiber is provided. The preferred method of increasing the carbon fiber bulk density comprises mixing a vapor grown carbon fiber with a diameter of less than about 1 .mu.m and an initial bulk density of less than about 0.2 lb/ft.sup.3...http://www.google.es/patents/US5594060?utm_source=gb-gplus-sharePatente US5594060 - Vapor grown carbon fibers with increased bulk density and method for making same
Vapor grown carbon fibers with increased bulk density and method for making same