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Bubble Alumina 0.06-0.1mm microsphere production

Bubble Alumina is a good refractory material for making thermal insulation facilities. The application including kiln furniture, heat kiln, refractory bricks,etc. The density of bubble alumina is bigger with finer sphere size. The min ordinary size of bubble alumina is 0.1-0.2mm. Recently, users are testing the size finer than it: Bubble Alumina 0.06-0.1mm.