... this filed 3.ISO9001,2000 4.good stability Baffle brick, together with honeycomb ceramic heat exchanger, has ... ,. ther are different materials for baffle brick, including corundum-mullite, mullite, zirconia-mullite, carborundu,.siliconcardide and so on. ... over 10years research&hard working. our baffle brick of high temperature stability, high refractoriness, strong resistance to chemical corroding, ...