Calcined Alumina

Category:Aluminum Oxide
Region: China

Packaging:Bag Package/Small Bag Package

Category: Tag:


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  pH9.0 – 10.5

l  Specific Gravity: 3.95 g/cm3


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.


There are no reviews yet.

Be the first to review “Calcined Alumina”

Your email address will not be published. Required fields are marked *