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Tabular Alumina

Color: Pure white

Bulk Density:  3.55g/cm³ Min 

Water Absorption Rate: ≤ 1.0%

Chemistry: Al2O3: 99.4%Min; Na2O:0.30%Max.

Mohs’ Hardness: 9

Grain sizes: 0-1mm, 1-2mm, 1-3mm, 3-5mm…-200mesh, -325mesh

*Custom Sizes & Chemistry are available upon request.

DESCRIPTION

Tabular Alumina is produced by sintering ball-formed calcined alumina at high temperature. In this process, the normally flat crystals recrystallizes into large plate-like or tablet-shaped crystals, and achieve extremely high chemical purity while maintaining the high hardness and density.

 

Tabular Alumina is a high density, high hardness, low water absorption, high chemical purity and chemical stability material; it has high thermal conductivity, high mechanical strength, excellent abrasion resistance and shock resistance. Which makes it a perfect raw material for refractory applications.

DATA SHEET

Color & Appearance: White Crystalline grits or Powder
Bulk density: 3.55g/cm³Min
Apparent Porosity Rate: 5.0%
Mohs' Hardness: 9
Knoop hardness: 2,000kg/mm²
Water Absorption Rate: ≤ 1.0%

 

Chemical composition:

Items

Unit

Index

Typical

Chemical composition

AI2O3

%

99.40 min

99.6

SiO2

%

0.10 max

0.04

Fe2O3

%

0.10 max

0.07

Na2O

%

0.30 max

0.30

AVALIABLE GRIT SIZES

Products are manufactured under FEPA standard.

Macro Size: 0-0.2mm,0.2-0.6mm, 0-0.5mm, 0.5-1mm, 0-1mm, 1-2mm, 1-3mm, 3-5mm, 5-8mm...

Fine Powder: -200mesh, -325mesh

Noted: Custom sizes is available upon request.

PACKAGING

Standard Packaging:

- Big bags(1000kgs, 1250kgs, 1350kgs)  with or without pallets;

- 20 or 25kg plastic.or paper bags, with or without pallets.

Custom Packaging is available upon request.

APPLICATION

Tabular Alumina is a perfect raw material for a wide range of refractory applications.

It is used in the manufacture of shaped and unshaped products, like kiln bricks, monolithic refractories, ceramics, electrical insulators, and refractory cement, ladle pouring material, sliding nozzle, prefabricated parts in steel, aluminum, glass, and petrochemicals industry.

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