Al2O3 80% Rotary Kiln Calcined Bauxite 5-8mm for Insulating Brick

Product Details
Customization: Available
Classification: High-Alumina
Feature: High-Temperature Resistant, Light Weight, Low Thermal Conductivity
Manufacturer/Factory & Trading Company
Diamond Member Since 2019

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  • Al2O3 80% Rotary Kiln Calcined Bauxite 5-8mm for Insulating Brick
  • Al2O3 80% Rotary Kiln Calcined Bauxite 5-8mm for Insulating Brick
  • Al2O3 80% Rotary Kiln Calcined Bauxite 5-8mm for Insulating Brick
  • Al2O3 80% Rotary Kiln Calcined Bauxite 5-8mm for Insulating Brick
  • Al2O3 80% Rotary Kiln Calcined Bauxite 5-8mm for Insulating Brick
  • Al2O3 80% Rotary Kiln Calcined Bauxite 5-8mm for Insulating Brick
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  • Overview
  • Product Description
  • Application
  • Product Specifications
  • Detailed Photos
  • Plant equipment
  • Packaging & Shipping
Overview

Basic Info.

Model NO.
Rotary Kiln Calcined Bauxite
Production Process
Casting Method
Refractoriness (℃)
Refractoriness> 2000
Shape
Powder
Al2O3
60-90
Fe2o3
Min1.8
TiO2
Min 4.0
K2o+Na2o
Min 0.25
Cao+MGO
Min0.5
Bulk Density
Max 3.30
Sample
Free
Factory History
8 Years
Application
Refractory
Color
Yellow/Dark Gray/Dark Blue
Raw Material
Bauxite Ore
Cro Content
Trace
Certificate
SGS
Term Payment
Tt
Delivery Time
7-15days
Transport Package
25kg/Bag in Double Plastic Bag or 1/1.2 Ton Bag,
Specification
200mesh, 0-1, 1-3, 3-5, 4-6, 5-8mm
Trademark
N/M
Origin
China
Production Capacity
4500

Product Description

Product Description

 

 
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.


Al2O3 80% Rotary Kiln Calcined Bauxite 5-8mm for Insulating Brick
 
Application

 

Calcined Bauxite Applications:
1. Aluminium metallurgy 
2. Precision casting / Investment casting: 
    bauxite grog fines can be made into mold for precision casting.
3. Refractory: high alumina bauxite's refractoriness can reach 1780°C.
    It is charactered by good chemical stability and mechanical performance. (Al2O3 ≥48% with low Fe2O3)
4. Aluminium silicate refractory fiber: The high alumina bauxite grog can melt under 2000°C-2200°c in the electric arc furnace.After a series of processing, it can become aluminium silicate refractory 
fiber, which can be made into fiber blanket, plate,cloth.
5. Mixing magnesia and bauxite grog with binders to pour the molten steel ladle for better overall lining performance.
6. Producing bauxite cement
7. Abrasives
8. Ceramics industry
9. Chemistry industry for all kinds of aluminium compound.

 

Product Specifications

 

Al2O3 Fe2O3 TiO2 K2O+Na2O CaO+MgO Bulk density
90min ≤1.8 ≤4.0 ≤0.25 ≤0.5 ≥3.30
88min ≤1.8 ≤4.0 ≤0.25 ≤0.5 ≥3.25
87min ≤2 ≤4.0 ≤0.3 ≤0.5 ≥3.20
86min ≤2 ≤4.0 ≤0.3 ≤0.5 ≥3.10
85min ≤2 ≤4.0 ≤0.3 ≤0.5 ≥3.00
80min ≤3.0 ≤4.0 ≤0.3 ≤0.5 ≥2.80
75min ≤3.0 ≤4.0 ≤0.3 ≤0.5 ≥2.70
Size 0-1mm,1-3,3-5mm,5-8mm..., or according to your request
Detailed Photos

Al2O3 80% Rotary Kiln Calcined Bauxite 5-8mm for Insulating Brick
Al2O3 80% Rotary Kiln Calcined Bauxite 5-8mm for Insulating BrickAl2O3 80% Rotary Kiln Calcined Bauxite 5-8mm for Insulating Brick

Plant equipment


Al2O3 80% Rotary Kiln Calcined Bauxite 5-8mm for Insulating Brick

Al2O3 80% Rotary Kiln Calcined Bauxite 5-8mm for Insulating Brick




 
Packaging & Shipping

Al2O3 80% Rotary Kiln Calcined Bauxite 5-8mm for Insulating Brick

Packing : 25kg/bag in double plastic bag or 1/1.2 ton bag, according to your request
 

 

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