<p>A porous ceramics material produced by the process comprising the steps of (i) mixing two or more ceramics in such a manner that at least one of the ceramics is different in sinterability from the others and is mixed in an amount of from 1 to 99 wt% based on the total amount of the ceramics; and (ii) sintering thus obtained mixture; a packing for chromatography comprising the porous ceramics material; and a process for producing the porous ceramics material.</p>