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Stabilized Zirconia Bubble (SZB)- White Colored

  • ZrO2+HfO2:95%Min
  • CaO:3.3-4.0
  • Fe2O3:0.1% Max
  • SiO2:0.2% Max
  • Al2O3:0.2% Max
  • Bulk density:1.5-2.5 g/cm3
  • Stabilized Zirconia Bubble
  • Stabilized Zirconia Bubble
YuLi bubble stabilized zirconia is produced by electro fusing special stabilized zirconia.
As lightweight refractory, Yuli Bubble alumina is used for production of refractory insulation materials, refractory lightweight bricks, as loose bulk material for the filling of thermal insulation walls, meanwhile YuLi bubble alumina is ideal filler for high-temp. (1600-2400℃)furnace due to its chemically inert, such as induction furnace, nitriding furnace.
■Typical Chemical

Typical chemical analysis in WT.%


Stabilized Zirconia Bubble (SZB) - White colored
ZrO2+HfO2 95%Min
CaO 3.3-4.0
Fe2O3 0.1% Max
SiO2 0.2% Max
Al2O3 0.2% Max
Bulk density 1.5-2.5 g/cm3
Stabilization 70-80
Working Temp. 2300 ℃


The regular size are 0.2-1,1-2,2-3,3-5mm, other size are available according to your requirements.


Package: In 20KGS or 25KGS BAG+ BIG BAG or as your requirements.
Delivery time: 10-15 business from the receipt of payment.

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