Calcined Alumina
Calcined alumina is made of high quality industrial alumina as raw material, adopts the new type of high temperature down-draft kiln and scientifically the calcination method of production, so it has good performance, less impurity content, high conversion rate and heat-conduction property.
Chemical Composition(%)
Items |
Al2O3 |
Fe2O3 |
SiO2 |
Na2O |
Spec(%) |
99-99.7 |
0.02-0.04 |
0.03-0.15 |
0.03-0.25 |
Physical Index:
● Crystal Form: Alpha Alumina
● pH:9.0 - 10.5
● Specific Gravity: 3.95 g/cm3
Application:
● Widely used in refractory industry, ceramic industry, polishing industry , etc.
● Suitable for glaze ceramics, engineering ceramics, ceramic insulation, wear-resisting ceramics.
● Alumina is also used for electronic components, high temperature resistance porcelain, roller, textile porcelain pieces, circuit substrate, refractory materials, etc.
● It also can meet the requirements of hot die casting, injection pressure, isostatic pressing, rolling film, stretch film, grouting.
Size Available:
325mesh, 500mesh, 5um, 3um, 2um, 1um, 0.5um, 0.3um..
Other special spec. could be supplied as required.
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