... Mullite, Alundum mullite Size customized We produce extruded ceramic filter with different appearance specifications, wall thickness, hole type and ... mullite, Zircon mullite.The advantages of extruded ceramic filter as follows:Good thermal shock properties. Uniform hole ... , sizes, shapes and apertures of the extruded ceramic filter.Material: Cordierite and mullite, cordierite/mullite, mullite/zirconia ...