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