Refractory High Alumina Brick for Hot Blast Furnace

Loading Port:Qingdao

Payment Terms:TT OR LC

Min Order Qty:10 m.t.

Supply Capability:30000 m.t./month

Product Description:

General Information
CMAX corundum bricks use compact electrosmelted corundum and alumina powder as main raw materials., shaped under high pressure after machine-blending and fired at high temperature. Alumina content in more than 48% of a neutral refractory material. By alumina or other higher raw material forming and calcined alumina content. Thermal stability, high refractoriness in more than 1770 º C. Good slag resistance, used for building steel-making furnace, glass furnace, cement rotary kiln lining.


Feature
Low porosity
High compressive strength
Good chemical stability

 

Application
Linings of high-temp industrial kilns and furnaces

Glass furance and Coke Dry Quenching

Calcined alumina powder and Kaolin

 

Technical Data

 

ITEM

UAL48

UAL55

UAL65

UAL75

UAL80

UAL85

ALP80

Refractoriness,

1750

1770

1790

1790

1810

1810

1810

Apparent Porosity,%

22

22

23

23

20

20

18

C.C.S, Mpa

39

44

49

53

55

60

100

Refractories Under Load (0.2Mpa),℃

1420

1470

1500

1520

1500

1520

1550

Reheating Linear Change,%

1450x2h              0.1-0.4

1500x2h              0.1-0.4

1500x2h              0.1-0.4

1500x2h       0.1-0.4

1550x2h              -0.5+0.5

1550x2h              -0.5+0.5

1550x2h              -0.5+0.5

Al2O3 Content , %

48

55

65

75

80

85

82

 

Refractory High Alumina Brick for Hot Blast Furnace