Professional Cement Kiln Refractory Bricks Insulation 25% - 30% Al2O3

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Professional Cement Kiln Refractory Bricks Insulation 25% – 30% Al2O3
 
 
Description:
 
High Strength Alkali-resistant Brick
 
 
Feature:
 
1. bricks are made from high quality bauxite
2. dry pressed
3. burned under tunnel kiln
4. accurate dimension
5. high strength

 
 
Product specification:
 
High strength alkali resistance bricks is made by adding additives to improve the compression strength on the basis of the ordinary. The product has high strength, good volume stability, alkali erosion ability, etc. It is applicable to the cement kiln preheater and decomposing furnace, air duct, etc.
 
 
Applications:
 
1. Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln
 
 
Specifications:
 
 
High aluminum refractory bricks physiochemical index
 

Items

Ordinary Type

High-strength type

Insulation type

Vault type

Al2O3  %

25-30

25-30

25-30

30-35

Fe2O3  %

2

2

2

2

SiO2  %

65-70

65-70

60-70

60-65

Refractoriness  (℃)

1650

1650

1650

1710

Bulk Density g/cm3  ≥

2.15

2.25

1.65

2.2

Apparent Porosity  %  ≤

21

20

35

21

Cold Crushing Strength MPa≥

35

60

15

35

Refractoriness Under Load ℃ ≥

1350

1300

1250

1400

thermal conductivity  W/m.  (350℃±10℃)TC

1.28

1.28

0.7

1.28

Application

Large and medium dry-process kiln,decomposing furnace, etc.

 

 
 
Competitive Advantage:
 

  1. Competitive Price. Make the products competitive in your market.
  2. Abundant Experience. Prevent cracks and twist in bricks.
  3. Different Moulds. Save mould fees for you.
  4. Strict Quality Control. Meet clients’ quality requirement.
  5. Large stocks. Guarantee prompt delivery.
  6. Professional Packing. Avoid damage and secure the goods in transportation