Patent ID: 7470302
Filing Date: 2008-12-30
Classification: B01D,B01J,C04B,F01N,Y02T,Y10S,Y10T

Abstract:
1. A honeycomb structure comprising porous partition walls disposed so as to form a plurality of through holes extending from one end portion to the other end portion in A-axis direction, and containing cordierite as a main component; wherein, when porosity is P(%), compressive strength in the A-axis direction is C(MPa), and open frontal area is A(%), a relation of Z 1=0.5 in the following formula (1): is satisfied, and wherein the cordierite-forming raw material contains an aluminum source raw material, kaolin, talc, and silica, with the aluminum source raw material having an average particle diameter of 1 to 6 μm, kaolin having an average particle diameter of 1 to 10 μm, and talc and silica each having an average particle diameter of 10 to 60 μm.