Patent ID: 6752969
Filing Date: 2004-06-22
Classification: B01J,C04B,F01N,Y10T

Abstract:
A honeycomb structural body comprising:plurality of cells having through-holes formed by providing partition walls composed mainly of cordierite, which has the chemical composition SiO2: 45-55 wt %, Al2O3: 33-42 wt %, MgO: 12-18 wt %, in a honeycomb fashion, the honeycomb structural body having a cell density of at least 600 cells/in2, a pore volume of said partition walls being at least 30%, an average roughness Rz of the surface of said partition walls being 1-5 &mgr;m, and said honeycomb structural body being a catalyst carrier having a catalyst loaded on the surface of said partition walls.