Fire High Alumina Anchor Brick

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Product Description:

Type:We can supply High Alumina Bricks, Fireclay Bricks, Low Porosity Fireclay Bricks, Mullite Bricks, Corundum Bricks, AZS Bricks, Magnesite Bricks, Zircon Bricks,insulating Bricks etc.

Advantage:Our High alumina brick has high cold crushing strength,high refractoriness under load, high thermal stability,good creep resistance and thermal shock resistance,It is alternative product for high aluminum bricks, used in the professional of the key parts of the furnaces.

Application: Andalusite bricks are mainly used in the cooling wall of blast furnace, chemical and ceramic industry, the door of coke oven, or as the lining and checker of hot blast furnaces.

Specification:

                                                                     High alumina brick

Index           Product

LZ-48

LZ-55

LZ-65

LZ-70

LZ-75

LZ-80

LZ-85

Al2O3 %

≥48

≥55

≥65

≥70

≥75

≥80

≥85

Fe2O3 %

≤2.5

≤2.5

≤2.0

≤2.0

≤2.0

≤2.0

≤1.8

Refractoriness °C

1760

1760

1770

1770

1770

1790

1790

Apparent porosity %

≤23

≤23

≤23

≤23

≤23

≤22

≤22

Bulk density g/cm3

2.30

2.35

2.40

2.40

2.45

2.68

2.75

Refractoriness under load 0.2MPa°C

1420

1470

1500

1510

1520

1530

1550

Cold crushing strength MPa

45

45

50

60

60

70

70

Permanent linear change %

1500°C×2h

+0.1~-0.4

+0.1~-0.4

+0.1~-0.4

+0.1~-0.4

+0.1~-0.4

+0.1~-0.4

+0.1~-0.4

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