The foam pottery is that a kind of volume is small in density,it is hatch rate to 80%-90% that the porous pottery,It can make various kinds of metal precision type instrument pass handle of ware,gas pass handle of ware,,catalyze carrier,light-hot to exchange body and diesel exhaust particle purify of ware,etc..The foam pottery can be selected the porcelain material,size of geometr(all kinds of form)and size of aperture according to the instructions for use.