Refractory Bricks
High Temp Dry Pressed Bauxite High Alumina Refractory Bricks For Steel Furnace

High Temp Dry Pressed Bauxite High Alumina Refractory Bricks For Steel Furnace

High Temp Dry Pressed Bauxite High Alumina Refractory Bricks For Steel Furnace

Detailed Product Description
High Temp Dry Pressed Bauxite High Alumina Refractory Bricks For Steel Furnace
Description:
high alumina 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:
standard form, normal standard, shaped and special shaped bricks.Can be used in various kilns because of its cheapness and general tray package. Among all of the refractory materials, it is the mostly used in the key positions.Molding method: it has down draft kiln and tunnel kiln and the general sintering temperature is 1360-1480 degrees. It is a kind of aluminosilicate refractory product which aluminum oxide (Al2O3) content is higher than 48%.
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

Item


Properties

LZ-80

LZ-75

LZ-65

LZ-55

LZ-48

Al2O3 ,%

80

75

65

55

48

Refractoriness °C

1790

1790

1790

1770

1750

Bulk density,g/cm3

2.65

2.5

2.45

2.4

2.3

Softening temperature under load

1530

1520

1500

1470

1420

Permanent linear change,%

1500°CX2H

+0.1
-0.4

+0.1
-0.4

+0.1
-0.4

+0.1
-0.4

 

1450°CX2H

 

 

 

 

+0.1
-0.4

Apparent porosity,%

22

23

23

22

22

Cold Crushing strength Mpa

55

50

45

40

35

Application

All industrial furnace

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

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