zirconia bricks 1,good corrosion resistant 2,good thermal shock resistance. 3. ... purity fused zirconia as starting materials.2,They possess high refractory (up to 2200°C ) ,3,good corrosion resistant to acids ... research .They are also used asrefractories for metal metallurgy, laser crystals, quartz glass, electronic industry, and continuous casting. hot sale zirconia refractory bricks for furnace