POROUS ALUMINA CERAMIC WARE AND PREPARATION METHOD THEREOF

摘要

Provided are a porous alumina ceramic ware and a preparation method thereof. The porous alumina ceramic material comprises the following components at the following percentages by mass: 40%-60% of alumina, 30%-50% of diatomaceous earth, and 6%-15% of silicon sol, wherein silicon dioxide makes up 25%-30% of the mass of the silicon sol.