Company info products packing conatct us

Refractory Products



High Alumina Brick(High Alumina series of Products)

High-Alumina
High-Alumina
High-Alumina
High-Alumina
High-Alumina
Corundum-mullite
High-Alumin bricks
High-Alumin bricks
High-Alumina bricks
    The high-alumina products feature excellent thermal shock resistance,high temperature of refractoriness under load,marvelous spalling resisting property. they are used in electrical arch furnace,cement kiln,steel ladle, blast furnace, hot stove and other industry furnaces.

High Alumina Bricks

Low Greep High-Alumina Bricks

Thermal Shock Resistance High-Alumina Bricks

 

Item

Properties

Al2O3%
Fe2O3%
Zr2O%
Refractory
C
Apparent Porosity%
Bulk density g/cm3
Cold crushing strength Mpa
Refractoriiness under load 0.2MPa C
Permanent linear change%
Thermal shock Resistance(water cycle) 1100C
HIGH-ALUMINA BRICK FOR ELECTRICAL ARCH FURNACE
OR-80
80
1790
19
78.5
1530
0-0.3
OR-75
75
1790
19
68.6
1530
0-0.4
HIGH-ALUMINA BRICK FOR BLAST FURNACE
OR-65
65
2.0
1790
19
58.8
1500
0-0.2
OR-55
55
2.0
19
49.0
1480
0-0.2
OR-48
48
2.0
18
49.0
1450
(1450C2h))0-0.2
THERMAL SHOCK RESISTANCE HIGH-ALUMINA BRICKS
ORLZ-75
75
5-7
23
2.6
50
1500
20
ORLZ-70
70
5-7
25
2.55
45
1470
20
LOW GREEP HIGH-ALUMINA BRICKS
ORDRLZ-80
85
20
60
(1550C)0.8
ORDRLZ-75
75
20
55
(1550C)0.8
ORDRLZ-65A
65
19
50
(1450C)1.0
ORDRLZ-65B
65
22
45
(1400C)0.8
ORDRLZ-60
60
22
40
(1300C)0.8
ORDRLZ-50
50
22
40
(1250C)0.7
SI-MULLITE BRICKS
ORZM-1650
60
1790
20
2.55
90
1600
10cm3
2.5
ORZM-1680
65
1800
19
2.60
85
1650
12cm3
2.3

 


PHOSPHATE BONDED HIGH-ALUMINA BRICKS

Phosphate Bonded High-Alumina Bricks

Special Rhosphate Bonded Bricks

Special Phosphate Bonded Complex Bricks

 

Item

Properties

Al2O3%
Bulk density g/cm3
RefractoryC
Cold crushing strengthMpa
Refractoriiness under load 0.2MPa C
Thermal Conductivity :W/mk
PHOSPHATE BONDED HIGH-ALUMINA BRICKS (P)
ORP
75
2.65
1780
60
1300
ORMP
78
2.75
1790
70
1300
PHOSPHATE BONDED HIGH-ALUMINA WEAR-RESISTANCE BRICKS (PA)
ORPA
77
2.7
1780
65
1250
ORMPA
78
2.8
1780
80
1250
SPECIAL PHOSPHATE BONDED BRICKS
ORTP-80
80
2.80
1790
75
1450
ORTP-86
83
2.85
1790
80
1480
PHOSPHATE BONDED COMPLEX BRICKS
Working layer
78
2.75
1790
60
1300
1.65
Insulating layer
40
2.55
1650
20
1150
0.75
SPECIAL PHOSPHATE BONDED COMPLEX BRICKS
Working layer
80
2.80
1790
25
1450
1.75
Insulating layer
40
2.80
1650
20
1150
0.75
 

 

 

©2007 Orientmineral