MONOLITHICS REFRACTORY
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Magnesia Ramming Mixer for EAF and general Purpose
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Made from high purity magnesite and synthetic magnesite with special additives.
High bulk density, quick sintering property, superior slag resistance and molten steel penetration resistance. Widely used for the bottom and slope of EAF and slope of DC-EAF.
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Brand |
Chemicals %
|
Grain Size (mm) |
Service
Temp.¡æ |
Usage |
Mgo¡Ý |
SiO2¡Ü |
Fe2O3¡Ü |
CaO¡Ü |
MR-1 |
75.0 |
2.5 |
5.0 |
15.0 |
0-5
0-8 |
Repairing
1750 |
Cool ramming and hot repairing the bottom and slope of EAF and slope of DC-EAF |
MR-2 |
83.0 |
2.5 |
8.0 |
7.0 |
MR-3 |
85.0 |
2.0 |
7.0 |
6.0 |
MR-4 |
90.0 |
1.5 |
6.0 |
5.0 |
Electricity Conductive Magnesia Carbon Dry Ramming Mixes for DC-EAF Bottom Ramming
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Made from high quality fused Magnesite special graphite additives and binders.Quick sintering property,good errosion resistance,good electric conductivity.It is the ideal ramming mixes for the bottom of DC-EAF.
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Type |
Brand |
Chemicals % |
Grain size(mm) |
Service Temp |
Usage |
Mgo |
C |
Electricity Conducted Cold
Ramming Mix |
MER-1 |
80-85 |
6-9 |
0-5 |
1750 ¡æ |
Cold ramming the bottom of DC-EAF |
Electricity Conducted Hot Ramming Mix |
MER-2 |
70-75 |
8-12 |
0-5 |
1750 ¡æ |
Hot repairing the bottom of DC-EAF |
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Magnesia Gunning Mixes for EAF and converters
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Made from dead burnt magnesite or high purity magnesite with special binders and additives.
Good sintering property, good errosion resistance. Widely used for hot repairing the slag lines of EAF and converter .
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Brand |
Chemicals (%)
|
Grain Size(mm) |
Service Temp.(¡æ) |
Usage |
MgO¡Ý |
SiO2¡Ü |
CaO¡Ü |
MG-1 |
82.0 |
9.5 |
2.0 |
0-3 |
1750 |
Reparing the slaglines of EAF and converter |
MG-2 |
85.0 |
8.0 |
2.0 |
MG-3 |
88.0 |
7.0 |
2.0 |
1800 |
MG-4 |
90.0 |
5.0 |
1.5 |
Magnesia-Dolomite Gunning Mixes for EAF and converters
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Made from good quality magnesite, synthetic dolomite with binders and additives.
Good sintering property and errosion resistance. Widely used for repairing the slag lines of converter and EAF.
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Brand |
Chemicals (%) |
Grain Size(mm) |
Service Temp.(¡æ) |
Usage |
MgO¡Ý |
SiO2¡Ü |
CaO¡Ü |
MDG-1 |
81.0 |
1.5 |
9.0 |
0-4 |
1750 |
Reparing the slaglines of EAF and converter |
MDG-2 |
85.0 |
3.5 |
15.0 |
Gunning Mix for Ladles and Tundishes
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Made from good quality magnesite, bauxite or magnesite-alumina spinel with special binders and additives. Good sintering property and errosion resistance.
|
Brand |
Chemicals % |
Grain Size(mm) |
Service
Temp.¡æ |
Appli. |
Mgo¡Ý |
SiO2¡Ü |
Fe2O3¡Ü |
CaO¡Ü |
MAG |
70.0 |
9.5 |
15.0 |
2.0 |
0-3 |
1750 |
Repairing the linings of ladle and tundish |
MDG |
80.0 |
7.0 |
|
10.0 |
1800 |
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Hot Patching Mix for Repairing Charge Pad of Converter
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For repairing the charge pad of converter. Good adhesion property, good errosion resistance and quick sintering property etc.
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Grade |
Chemicals % |
B.D.
g/cm 3 |
C.C.S.(Mpa) |
Grain size
(mm) |
Mgo ¡Ý |
SiO 2 ¡Ü |
Cr 2 O 3 ¡Ý |
CaO ¡Ü |
110 ¡æ x3hrs ¡Ý |
1600 ¡æ x3hrs ¡Ý |
Magnesia
Mix |
88.0 |
2.5 |
2.0 |
1.5 |
2.5 |
20 |
55 |
0-3 |
Magnesia
CarbonMix |
70.0 |
2.0 |
|
C ¡Ý 8 .0 |
2.35 |
15 |
35 |
0-8 |
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Filling and Repairing Mix for Tapholes
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Filling Mix for Tapholes
Under normal operation condition, the automatic openning rate has been up to 100%; safety rate: 100%.
Repairing Mix for Tapholes
Made from good quality magnesite and special addictives and binders. Quick sintering property, good errosion resistance and good spalling resistance. |
Item
Name |
Chemicals % |
Grain size(mm) |
B.D.(g/cm3) |
Appli. |
Mgo¡Ý |
SiO2¡Ü |
Fe2O3¡Ü |
CaO¡Ü |
Filling Mix
For Tapholes |
50.0 |
10.0 |
28.0 |
|
2-5 |
2.25-2.35 |
Tapholes and tapping Iaunders of EAF and converter |
Repairing Mix For Tapholes |
TR-1 |
92.0 |
0.3 |
4.0 |
2.0 |
TR-2 |
93.0 |
0.5 |
4.0 |
2.0 |
0-2 |
2.35-2.45 |
Self-flow Castables
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Self leveling and degassing without vibration. More suitable for lining where the space is limited. Better thermal shock resistance than vibrated castables.
|
Brand |
Chem.Comp. % |
B.D (g/cm3) |
P.L.C. % |
C.C.S. Mpa |
Service
Temp ¡æ |
Self-flow
Value % |
Al2O3 ¡Ý |
SiO2 ¡Ü |
110¡æx24hrs¡Ý |
1000¡æx3hrs¡Ý |
1550¡æx3hrs¡Ý |
1000¡æx3hrs |
1550¡æx3hrs |
110¡æx24hrs¡Ý |
1000¡æx3hrs¡Ý |
1550¡æx3hrs¡Ý |
SC-1 |
72.0 |
27.0 |
2.75 |
2.73 |
2.75 |
0-0.20 |
0-0.20 |
50.0 |
90.0 |
100.0 |
1550 |
110 |
SC-2 |
65.0 |
28.0 |
2.45 |
2.40 |
2.45 |
0-0.20 |
0-0.30 |
30.0 |
80.0 |
90.0 |
1500 |
100 |
Castables for Ladles and Tundishes
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Made from corundum, good quality magnesite, special bauxite or magnesite-alumina spinel and addictives.
Quick sintering property, good errosion and spalling resistance, convenient installation, easy removing and long service time.
|
Brand |
Chem.Comp. % |
B.D (g/cm3) |
P.L.C. % |
C.C.S. (Mpa) |
Service
Temp ¡æ |
Al2O3 ¡Ý |
MgO
¡Ý |
SiO2 ¡Ü |
110¡æx24hrs¡Ý |
1000¡æx3hrs¡Ý |
1550¡æx3hrs¡Ý |
1000¡æx3hrs |
1550¡æx3hrs |
110¡æx24hrs¡Ý |
1000¡æx3hrs¡Ý |
1550¡æx3hrs¡Ý |
AC-1 |
90 |
7 |
|
3.10 |
3.00 |
2.95 |
0-0.20 |
0-0.8 |
30 |
45 |
70 |
Wall and bottom of large size ladles |
AC-2 |
72 |
11 |
9.5 |
2.90 |
2.88 |
2.80 |
0-0.20 |
0.5-1.5 |
60 |
50 |
60 |
Wall and bottom of small and medium size ladles |
AC-3 |
32 |
60 |
|
2.90 |
2.85 |
2.80 |
0-0.20 |
0.5-1.2 |
45 |
45 |
40 |
Slaglines of small and medium ladles |
High Alumina and low Cement Castable
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Item
Index |
Chemicals (%) |
B.D.¡Ý (g/cm3)
110¡æx24h |
C.C.S ¡Ý
(Mpa) |
Linear change
on reheating |
¡æ ¡Ý
Refractoriness |
Mpa ¡Ý
Bending strength
(kg/cm2) |
Al2O3¡Ý |
ZrO2 |
CaO |
110¡æx24h |
1450¡æx3h |
1450¡æx3h |
1500¡æx3h |
Low cement |
LDJ-60 |
60 |
|
|
2.5 |
40 |
80 |
+/-0.5 |
|
1750 |
|
LDJ-70 |
70 |
|
|
2.6 |
40 |
80 |
+/-0.5 |
|
1750 |
|
LDJ-75 |
75 |
|
|
2.65 |
45 |
85 |
+/-0.5 |
|
1770 |
|
LDJ-80 |
80 |
|
|
2.7 |
45 |
90 |
+/-0.5 |
+/-0.5 |
1790 |
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Special low cement |
LTDJ-1 |
75 |
3 |
|
2.7 |
45 |
90 |
|
+/-0.5 |
1790 |
|
LTDJ-2 |
|
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High alumina cement |
G3L |
85 |
|
|
|
250 |
|
|
1 |
1790 |
80 |
G2L |
60 |
|
|
|
200 |
|
1 |
|
1690 |
40 |
G2N |
42 |
|
|
|
200 |
|
(1350¡æ)
1 |
|
1650 |
40 |
G1L |
60 |
|
|
|
100 |
|
1 |
|
1690 |
35 |
G1N2 |
42 |
|
|
|
100 |
|
(1350¡æ)
1 |
|
1650 |
35 |
G1N1 |
30 |
|
|
|
100 |
|
(1300¡æ)
1 |
|
1610 |
35 |
Silicate cement corundum |
GN |
30 |
|
|
|
200 |
|
(1200¡æ)
1 |
|
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Corundum |
LGJ-5 |
92 |
|
|
2. 76 |
50 |
(815¡æx3h)
40 |
|
(815¡æx3h)
-0.3 |
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