Hollow Zirconia Sphere Refractory Bricks

Hollow Zirconia Sphere Refractory Bricks
1,fabricated by sintering
2,high temperature resistance
3.glass melting furnaces

Hollow zirconia sphere bricks are fabricated by sintering Advantages:1.such as high temperature resistance (max. usage temperature≥2200°C), 2.high strength ,good thermal insulation, various acid-base erosion resistance and thermal shock stability. Usage: 1.fused stabilized hollow zirconia sphere as starting material ,via molding Feature:

Physical and Chemical of Hollow Alumina Sphere Bricks Item Unit Indexes Item Unit Indexes ZrO2 % ≥95 Bulk density   g/cm3 ≥2.55 CaO % ≤4 Apparent porosity   % ≥45 2O3