High purity and density alumina plate(tile) is feasible for high-end application such as photovoltaic, semiconductor and display equipment industries. It hardly deforms easily at high temperature and is corroded by acid and alkali. Due to the advantages as well as its excellent insulation and chemical stability make alumina plate(tile) used as supporter and spacer. Abrasion-resistant corundum ceramic liner plate with alumina as the main material, supplemented with other ingredients, sintered at high temperature, is widely used in coal, material handling system, powder making system, ash discharge, dust removal system and other large wear mechanical equipment in thermal power, iron and steel, smelting, machinery, coal, mining, chemical industry, cement, port terminal and other application. Ceramic substrate has become the basic material of power electronic circuit structure and interconnection technology with electrical insulation, high thermal conductivity, excellent
