... and delthyrium Used in metal casting Size customized Honeycomb pottery filter has thin walls between 0.8 ... Material: Cordierite and mullite, cordierite/mullite, mullite/zirconia, high aluminum, silicon carbide, etc.Application: Apply to iron, copper, ... filteringAluminum alloy casting filteringMelting mould casting filtering2. Specification of honeycomb pottery filter: Section size (length ×width) (mm ...