Material: Cordierite, Mullite, Alundum mullite Application: cast iron castings, SG castings, automotive castings. Extruded honeycomb ceramic filter plate for applications of molten metal, such as cast iron, Gray iron, aluminum, copper and alloys. The working temperature will up to 1450 c. The various sizes will meet your requirements.Square type: 40 x40 x12.5 mm, 50 x50 x12.5 mm, 60 x60 x12.5 mm, ...