Patent ID: 6080356
Filing Date: 2000-06-27
Classification: C04B,Y10T

Abstract:
A process for producing a cordierite honeycomb structure, comprising the steps of:mixing powders of at least kaolin, talc, and alumina together so as to provide a chemical composition of cordierite;extruding the mixture; andfiring the extrudate,wherein the kaolin has an average particle diameter of not more than 5 .mu.m and such a particle size distribution that the proportion of particles with diameters of less than 1 .mu.m is not more than 10% by weight, andwherein the talc has an average particle diameter of not more than 10 .mu.m and such a particle size distribution that the proportion of particles with diameters of less than 1 .mu.m is not more than 5% by weight.