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JUCOS Refractories > Shaped Refractories > High Alumina Brick
Product Details

High alumina bricks of over SK35 contain over 45% Alumina and are made from raw materials of unusually high degree of purity of Bauxite and refractory clay. For serve under severe conditions,JUCOS Alumina bricks have excellent mechanical strength, good resistance to thermal spalling, and are highly resistant to chemical attack by vilatile alkaies and some slag. We manufacture and design alumina bricks to meet the requirements of a great variety of service conditions thorough quality control.
 

High Temperature Tunnel Kiln High Alumina Brick
 

Features Of High Alumina Brick

  • Mechanical strength

  • High temperature

  • Excellent resistance to spalling

  • Resistant to corrosion

  • Excellent load-bearing properties

Applications Of High Alumina Brick

  • Nonferrous Metal Furnace

  • Rotary & Shaft Kiln

  • Various Incinerator

  • Reheating Furnace

  • Permanent Lining For EAF Ladle

  • General Industrial Furnace etc.

Specifications Of High Alumina Brick

  • High-alumina refractory birck

  • JUCOS Alumina contents range from 48% to 85%

  • Widely used throughout metallurgical industry

Physical And Chemical Indicators For High Alumina Brick


                                              Brand
Properties                           

SK-40

SK-38

SK-37

SK-36

SK-35

Refractoriness (SK)

40

38

37

36

35

Apparent Porosity (%)

22

23

23

23

23

Bulk Density (g/cm3)

2.65

2.40

2.35

2.30

2.25  

Cold Crushing Strength(MPa)

70

52

50

45

40

Thermal Linear Expansion(%)   @1000deg

0.6

0.6

0.6

0.6

0.6

Permanent Linear Change(%) @1400degx2hrs

±0.2

±0.3

±0.3

±0.3

±0.3

Refractoriness under Load (ºC)   @0.2MPa

1,530

1,500

1,450

1,420

1,380

Chemical Composition(%)

Al2O3

80

72

60

50

45

Fe2O3

1.8

2.0

2.0

2.0

2.0

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