ALUMINA-BASED FIBROUS MASS, PROCESS FOR PRODUCING SAME, AND USE

摘要

To provide an alumina-based fibrous mass having a high areal pressure and is usable as a holding material for an exhaust gas cleaners and a production process thereof; the alumina-based fibrous mass has a chemical composition containing an Al 2 O 3 in an amount of 70% or more and less than 90% and having a total pore volume of 0.0055 mL/g or less.