Fused Bubble Alumina is produced by blowing the melt of high purity Bayer process alumina in a controlled atmosphere to produce hollow spheres. Due to its low density and extremely low thermal conductivity fused alumina bubble is ideal for high alumina based insulating bricks and castables.
Technical Specification:
Parameters | INDEX |
Al2O3 | 98.7% Min |
SiO2 | 1.1% Max |
Fe2O3 | 0.10% Max |
Na2O | 0.50% Max |
Bulk Density BD ( g/cc ) | 1.0 Max |
Apparent Porosity AP |
|
Grit Sizes | 4F, 22F, 0.2-0.5mm |
Other Details:
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