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Quick Details

Application:
Place of Origin: China (Mainland)
Brand Name: rslz
Model Number:

Specifications

High alumina brick
Resisting high temperature
Great bulk density
Low iron content

High alumina brick used for BF,Mainly composed of special alumina bauxite chamotte (Al2O3≥48%)as starting materials,the brick are processed by molding under high pressure and sintering under high temperature,available for the lining of EAF steelmaking,glass tank,cement rotary kiln.

Physical and chemical index:    

Item

Index

LZ-48

LZ-55

LZ-65

LZ-75

LZ-80

LZ-85

 AL2O3 % (≥)

48

55

65

75

80

85

Refractoriness °C (≥)

1750

1770

1790

1790

1820

1850

Refractoriness under load, 0.2MPa, °C (≥)

1420

1450

1500

1530

1550

1580

Permanent linear Change %

1500°C,2h

 

0.1-0.4

1450°C,2h

0.1-0.4

 

Apparent porosity % (≤)

22

22

23

23

22

23

Cold crushing strength Mpa (≥)

40

45

50

60

65

70