Sell Alumina Bubble

Alumina Bubble You May Also Be Interested In: castable refractory heat insulation materials
The alumina bubble is a hollow spherulitic heat-insulation materials, which is made by electro fusing method. It is noted for its light-weight, heat-resistance, close pore. It is an ideal filler for high-temperature furnaces and an excellent aggregate of light weight castable refractory.

Physical chemical performance index

Spec Al2O3:99.00%MIN
Size: 0.1-5.0mm(or in mesh size)
Packing density: 0.45-1.0g/cm3
Main crystalline: `-Al2O3
Working temp. 1800
Packing: 20KGS or 25KGS IN 20KGS 0R 25KGS BAGS+BIG BAGS