... Material: Cordierite and mullite, cordierite/mullite, mullite/zirconia, high aluminum, silicon carbide, etc. It is widely used in the ... of casting, foundry of steel, iron, copper and aluminum.The various sizes will meet your requirements.Square type: ... Dia.80mm, Dia.100mm.1. Technical data of honeycomb ceramic plate: Item materialAl2O3(%)Hole typeMilli hole(μm)Coefficient of Thermal Expansion ...