Magnesia Brick
|
Specification
Brand No.
|
Normal
|
Middle Class
|
High Purity
|
Electric Fused
|
|
MZ-89
|
MZ-91
|
MZ-95
|
MZ-96
|
MZ-97
|
MZ-98
|
DMZ-98
|
|
MgO (%) ≥
|
89
|
91
|
94.5
|
95.5
|
96.5
|
97.5
|
97
|
|
CaO (%) ≤
|
3
|
3
|
2.5
|
2
|
2
|
1.5
|
1.5
|
|
Apparent porosity
(%)≤
|
20
|
18
|
18
|
18
|
18
|
18
|
18
|
|
Cold Crushing Strength
(MPa)≥
|
49
|
58.8
|
60
|
60
|
60
|
60
|
40
|
|
0.2Mpa
Initial Soften Point Under Load(℃) ≥
|
1540
|
1550
|
1620
|
1650
|
1680
|
1700
|
1700
|
|
Permanent Linear change on reheating(%)
|
-0.6
|
-0.5
|
|
|
|
|
|
Magnesia Carbon Brick
|
Brand No.
|
MgO(%)≥
|
C(%)≥
|
Bulk density(g/cm3)≥
|
Apparent porosity≤(%)
|
cold crushing strength≥(Mpa)
|
modulus of rupture(1400oCX0.5h)≥(Mpa)
|
|
MC82
|
82
|
10
|
3.00
|
3
|
45
|
10
|
|
MC80
|
80
|
10
|
2.95
|
4
|
40
|
8
|
|
MC78A
|
78
|
10
|
2.90
|
4
|
35
|
6
|
|
MC78B
|
78
|
14
|
3.00
|
3
|
45
|
14
|
|
MC76
|
76
|
14
|
2.95
|
4
|
40
|
10
|
|
MC74A
|
74
|
14
|
2.90
|
4
|
35
|
8
|
|
MC74B
|
74
|
18
|
3.00
|
3
|
45
|
12
|
|
MC72
|
72
|
18
|
2.95
|
4
|
40
|
10
|
|
MC70
|
70
|
18
|
2.90
|
4
|
35
|
8
|
Magnesia Alumina Brick
|
Specification
Brand No.
|
Normal
|
Middle Class
|
High Purity
|
Spinel
|
|
MA801
|
MA802
|
MMA90
|
MHA90
|
MHA85
|
MAS90
|
|
MgO(%)
|
≥80
|
≥80
|
85-90
|
≥90
|
≥85
|
90-80
|
|
AL2O3(%)
|
5-10
|
5-10
|
6-8
|
4-8
|
4-8
|
9-18
|
|
Apparent Porosity (%)
|
≤18
|
≤20
|
≤18
|
≤18
|
≤19
|
≤17
|
|
Cold Crushing Strength (Mpa)
|
≥39.2
|
≥29.4
|
≥50
|
≥45
|
≥40
|
≥40
|
|
Initial Soften Point Under load (℃)
|
≥1600
|
≥1580
|
≥1650
|
≥1680
|
≥1630
|
≥1620
|
|
Resistance to thermal shock
|
≥3
|
≥3
|
≥3
|
≥3
|
≥3
|
≥10
|
Magnesia Chrome Brick
|
Specification
Brand No.
|
General MgO-Cr2O3 Brick
|
|
MG-4
|
MG-8
|
MG-12
|
MG-16
|
MG-20
|
|
MgO (%) ≥
|
70
|
65
|
60
|
50
|
42
|
|
Cr2O3 (%) ≤
|
4
|
8
|
12
|
16
|
20
|
|
Apparent Porosity (%) ≤
|
20
|
20
|
20
|
19
|
19
|
|
Cold Crushing Strength(MPa)≥
|
35
|
35
|
35
|
35
|
35
|
|
Initial Soften Point
Under load (℃) ≥
|
1560
|
1580
|
1580
|
1610
|
1640
|
|
Resistance to thermal
shock (Time) ≥
|
5
|
5
|
5
|
5
|
5
|
l Direct Bonded MgO-Cr2O3 Brick
l Rebonded MgO-Cr2O3 Brick
l Semi-Rebonded MgO-Cr2O3 Brick
Magnesia Dolomite Brick
|
Specification
Brand No.
|
BRAND
|
|
CAM-18
|
CAM-22
|
|
MgO(%)≥
|
65
|
60
|
|
CaO(%)≥
|
18
|
22
|
|
∑ F+S+A(%)≤
|
3
|
3
|
|
Apparent Porosity≤
|
8
|
8
|
|
Bulk Density g/cm3 ≥
|
3.0
|
3.0
|
|
Cold Crushing Strength ≥
|
80
|
75
|
|
Soften Point Under load ℃≥
|
1680
|
1680
|
Alumina Magnesia Carbon Brick
|
Specification
Brand No.
|
BRAND
|
|
AMC-Ⅰ
|
AMC-Ⅱ
|
AMC-Ⅲ
|
AMC-Ⅳ
|
AMC-Ⅴ
|
|
AL2O3%
|
≥65
|
≥68
|
≥73
|
≥75
|
≥82
|
|
MgO%
|
8-10
|
8-10
|
≥11
|
≥15
|
≥10
|
|
C %
|
8-10
|
8-10
|
≥5
|
≥5
|
≥5
|
|
Apparent porosity %
|
≤8
|
≤7
|
≤7
|
≤6
|
≤6
|
|
bulk density g/cm3
|
≥2.95
|
≥3.00
|
≥3.00
|
≥3.20
|
≥3.20
|
|
Cold crushing strength
|
≥45
|
≥55
|
≥60
|
≥70
|
≥80
|
Carbon-free Brick for Ladles
|
Brand No.
|
AM1
|
AM2
|
AM3
|
|
Chemical
Composition
|
AlsO3
|
90% min
|
85% min
|
75% min
|
|
MgO
|
3% min
|
3 % min
|
3% min
|
|
Crushing strength
(Mpa)
|
110°x24 H
|
40% min
|
40% min
|
40% min
|
|
Bulk Density
( g/cm3)
|
110°x24 H
|
3.2 min
|
3.1 min
|
2.8 min
|
|
Linear Change
|
1500°x 3 H
|
0—1.5
|
0—1.5
|
0—1.5
|
Well Block Of Corundum-chrome for Ladles
|
Type
|
Machine Made Block
|
Well Casted Block
|
|
Chemical Compositon
|
Al2O3
|
85% min
|
85% min
|
|
Cr2O3
|
3% min
|
2% min
|
|
Physical Properties
|
Porosity
|
20% max
|
22% max
|
|
B.D
|
3.2 min
|
3.18 min
|
|
Crushing Strength Mpa
|
80 min
|
60 min
|
|
Refractoriness
under 0.2Mpa
|
1600℃ min
|
1600℃ min
|