Product Main

Specifications

Bubble zirconia bricks are made by stabilized fused zirconia under high temperature. The products have many advantages, such as high temperature resistance, high strength, good thermal insulation, various acid-base erosion resistance and better thermal shock resistance.
 
Application: middle frequency furnace of tungsten and molybdenum, super high temperature kilns of refining of high-melting point metals, laser crystals, quartz glass industry.
                              Brand        
Item
Bubble Zirconia Brick
ZrO2  %  ≥  
95
CaO  %  ≤ 
4.0
Fe2O3 %  ≤
0.2
Bulk density  g/cm3  ≥
2.25
Apparent porosity  %  ≥
45
Cold crushing strength  MPa  ≥
12
Max. application temp. ℃ ≥
2200