... heat accumulation substance, filter,water treatment, chemical industry Honeycomb Ceramic has been widely applied in the fields of metallurgy, ... & chemical industry, electric power, boiler and so on.Honeycomb ceramic are made of corundum-mullite, cordierite-mullite, cordierite, mullite, ... and so on with different hole shapes, such as square hole and hexagon hole, different wall thicknesses from 0. ...