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Refractory Materials

Calcined Bauxite

Calcined Bauxite
Calcined Bauxite Mostrar imágenes2 Mostrar imágenes3 Mostrar imágenes4 Mostrar imágenes5
  • Otros Nombres:Alumina
  • CAS NO.:---
  • HS Code:2508300
  • Aspecto:White Lump
  • Embalaje:25kgs/p.p bag or 1MT Jumbo Bag
  • Marca:

Descripción detallada

Calcined Bauxite:

1.Alias:Alumina

2.HS CODE: 25083000

3.Main Content:  Al2O3

4.Appearance: White Lump

5.Detail Specifications:

Model Chemical Component(%)

Density

g/cm3

Water

Absorption(%)
Al2O3 Fe2O3 Ti2O CaO+MgO K2O+Na2O
Gal-88 88 Min 1.5 Max 4.0 Max 0.4 Max 0.4 Max 3.15 Min 4 Max
Gal-85 85 Min 1.8 Max 4.0 Max 0.4 Max 0.4 Max 3.10 Min 4 Max
Gal-80 80 Min 2.0 Max 4.0 Max 0.5 Max 0.5 Max 2.90 Min 5 Max
Gal-70 70--80 2.0 Max -- 0.6 Max 0.6 Max 2.75 Min 5 Max
Gal-60 60--70 2.0 Max -- 0.6 Max 0.6 Max 2.65 Min 6 Max
Gal-50 50--60 2.5 Max -- 0.6 Max 0.6 Max 2.45 Min 6 Max

6.Properties:

Calcined bauxite is one of the principal ore of aluminum. Calcined bauxite contains hydrous aluminum oxides and aluminum hydroxides, formed through the laterization of aluminous rocks in tropical and subtropical areas .calcined bauxite is obtained by calcining (heating)superior grade bauxite at high temperature (from 85OC to 1600C) .this removes moisture thereby increasing the alumina content. compared to an alumina content of about 57%to 58%in raw bauxite, calcined bauxite has an alumina content of 84%to88%.the heating is carried out in rotary kilns.

7.Usage: 

Bauxite is typically calssified according to its intended commercial application,such as abrasive ,cement ,chemical, metallurgical, and refractory .as raw material for use in high alumina and super duty refratory bricks and shapes ,plastics ,castable refratory, motors, gun mixes, ramming mixes, abrasive grains and other products.

8.Package,Storage,Transportation:

Packed in 25kgs p.p bag and 1MT Jumbo bag,cargo should be kept in good & dry condition to avoid brakage,contamination.

 

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