... substrates can be made of different materials, including corundum-mullite, cordierite-mullite, cordierite, mullite, zirconia-mullite, carborundum and so on. It is ... and waste water processing etc. 1.Specification of honeycomb ceramic monolith substrate: Size (mm) Quantity of hole Wall thickness (mm) Hole ... 68 Remark: Other shapes and specification are available. Honeycomb ceramic monolith substrate