Brand: Gaoda
Model: 0.2-5mm
Min. Order: 1 Mt
The alumina bubble produced by the company is a hollow spherulitic heat-insulating meterial, which is made by electrofused method.It is noted for its light-weight, heat-resistance, close pore. It is an ideal filler for high-temperature furnaces and excellent aggregate of light weight castable refractory. it is also and ideal heat-insulating and energy-saving refractory.