Description
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:
l Crystal Form: Alpha Alumina
l pH：9.0 – 10.5
l Specific Gravity: 3.95 g/cm3
Application:
l Widely used in refractory industry, ceramic industry, polishing industry , etc.
l Suitable for glaze ceramics, engineering ceramics, ceramic insulation, wear-resisting ceramics.
l Alumina is also used for electronic components, high temperature resistance porcelain, roller, textile porcelain pieces, circuit substrate, refractory materials, etc.
l 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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