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Tabular Alumina

Tabular Alumina
Tabular Alumina
Product Code : 04
Product Description
Process of Production :

Tabular alumina is produced by using High grade industrial alumina as primary raw material, They are ground and fat sintered at super-High temperature (>1900degrees).
The product has a close packing structure of corundum grain size in the range from 1-2
µm to 100-200 µm with cross bonding and homogenized distribution, resulting in maximum packing density.

Character :

It is characterized by high refractoriness, high bulk density, High thermal shock resistance, High wear-resistance, high purity and High chemical resistance, complete crystal tabularization and low porosity.

Application :

It has been widely used as the material of choice in unshaped and shaped high performance refractories used in a variety of industries (Steel, Foundry, cement, glass, petrochemical, ceramic and waste incineration). Other common non-refractory applications include its use in kiln furniture and for metal filtration.

It is the preferred material to substitute for imported sintered alumina.

Technical Specification :

Items

Unit

Index

Typical

Chemical composition

AI2O3

%

99.00 min

99.5

SiO2

%

0.20 max

0.09

Fe2O3

%

0.10 max

0.07

Na2O

%

0.40 max

0.20

CaO

%

0.1 max

0.03

MgO

%

0.1 max

0.06

R2O

%

0.3 max

0.20

Bulk Density

g/cm3

3.50 min

3.59

Absorbing water rate

%

0.1 max

0.7

Porosity rate

%

4.0 max

3.00

Grain Size

mm

5-3mm, 3-1mm, 1-0mm, 2-1mm, 1-0.5mm, 0.6-0.2mm, 0.5-0mm, 0.3-0mm

Fine Powder

mesh

-220mesh, -325mesh

Low cost WTA Fines : Is a very cost effective product in -200 and -325 mesh which can be used in Refractory shapes and castables.


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CERAMICS INTERNATIONAL
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Mr. Srikrishna Subramanian (CEO)

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