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Room 3433, Wanhao Centre, Zhongshan North Road 215-1 Gulou District, Nanjing
refractory bubble alumina
a desirable insulated filler for high-temperature furnace
making light weight refractory brick
Description:
BUBAL is a kind of Bubble Alumina produced by atomizing the melted calcined high purity alumina powder, forming a kind of hollow ball with low bulk density, BUBAL has a very low thermal conductivity.
Applications:
BUBAL is desirable insulated filler for high-temperature furnace, it is also widely used for making refractory lightweight bricks.
Typical Chemical Analysis:
Al2O3 *9.*8%
Na2O 0.*8%
SiO2 0.*0%
Fe2O3 0.*2%
Physical Properties:
Color White
Shape Spherical shaped hollow bubble
Broken bubble rate *5% max.
Packing density 0.*5 g/cm3
Refractoriness ***0 oC
Split Sizes Available :
**5mm
