HEXAGONAL-CELL HONEYCOMB CARRIER BODY AND HEXAGONAL-CELL HONEYCOMB CATALYST BODY

摘要

plurality invention is used as a carrier for a catalyst for purification of exhaust gas , surrounded with cell walls formed in a hexagonal lattice pattern is of about the hexagonal cell , a hexagonal cell honeycomb carrier of cordierite ceramic comprising a skin layer covering the outer periphery of the cylindrical side wall hexagonal cells . The GSA of the hexagonal -cell honeycomb carrier ( geometric surface area) 3.5 / more . Hexagonal cell honeycomb catalyst body includes a catalyst layer covering the surface of the hexagonal -cell honeycomb carrier and a hexagonal -cell honeycomb carrier .