... diffierent material ,there are: Alumina foam filter, Silicon carbide foam filter, Zirconia foam filter. Company Information: Naike Chemical ... balls for catalyst bed support media, alumina grinding ceramic balls/cylinders& Lining bricks, ceramic foam filters for ... tower packing. Ceramic products: Ceramic Honeycomb Substrate, Ceramic Foam Filters, Molecular sieve, Acid resistant ceramic, Wear resistant ...