Fused Magnesia with Low Silicon
|
Brand Index Item |
IL % |
MgO ≥% |
Al2O3 ≤% |
SiO2 ≤% |
CaO ≤% |
Fe2O3 ≤% |
Bulk Density≥g/cm3 |
|
98砂 |
0.10 |
97.80 |
0.12 |
0.50 |
1.00 |
0.60 |
3.45 |
|
97.5砂 |
0.13 |
97.40 |
0.13 |
0.60 |
1.20 |
0.60 |
3.45 |
|
97砂 |
0.15 |
96.80 |
0.15 |
0.70 |
1.50 |
0.70 |
3.45 |
|
96砂 |
0.18 |
96.00 |
0.18 |
0.80 |
1.60 |
0.90 |
3.45 |
General Fused Magnesia
|
Brand Index Item |
IL % |
MgO ≥% |
Al2O3 ≤% |
SiO2 ≤% |
CaO ≤% |
Fe2O3 ≤% |
Bulk Density≥g/cm3 |
|
98砂 |
0.10 |
97.80 |
0.12 |
0.60 |
1.20 |
0.70 |
3.50 |
|
97砂 |
0.15 |
96.80 |
0.16 |
1.50 |
1.50 |
0.85 |
3.45 |
|
96砂 |
0.18 |
96.00 |
0.19 |
2.00 |
1.80 |
1.60 |
3.45 |
Electrode
|
Item |
Unit |
Standarde |
Typical |
|
Apparent Specific Gravity |
g/cm3 |
≥1.52 |
1.57 |
|
Specific Electrical Resistance |
(µ Ω .m) |
≤14 |
12 |
|
Cold Modulus of Rupture |
MPa |
≥6 |
8.5 |
|
Compressive Strength |
MPa |
≥13 |
16.4 |
|
Ash |
% |
≤7 |
5.5 |
|
Volatile |
% |
≤0.5 |
0.3 |
|
Moisture |
% |
≤0.5 |
0.21 |
Mg-O Pellet for Slag Making
|
Item |
MgO ≥% |
SiO2 ≤% |
C ≥% |
Moisture ≤% |
Bulk Density ≥g/cm3 |
Apparent Porosity ≤% |
Crushing Strength ≥KN |
|
Index |
50 |
7 |
10 |
2 |
1.6 |
20 |
2.2 |
MgO Pellet for Slag Making
|
Item |
MgO ≥% |
IL ≤% |
Moisture ≤% |
Bulk Density≥g/cm3 |
Apparent Porosity ≤% |
Drop Strength≤% |
Size (MM) |
|
Index |
68 |
25 |
3 |
1.6 |
20 |
2 |
30-60 |
Monolithic Refractories
|
Item Index Brand |
CaO≥% |
Al2O3 ≥% |
CaO ≤% |
SiO2 ≤% |
C ≤% |
Bulk Denslty ≥g/cm3 |
Cold Crushing Strength ≥MPa |
Modulus of Rupture at R.T ≥MPa |
Aparent Porosity ≤% |
|
Gunning Material for EAF |
85 |
|
4 |
5 |
|
2.40 |
5 (110℃×24h) |
4 (110℃×24h) |
|
|
Gun Clay for Blast Furnace( I ) |
|
46 |
|
18 |
|
1.83 |
3.3 (110℃×24h) |
6 (800℃×3h) |
23 |
|
Gun Clay for Blast Furnace( II ) |
|
28 |
|
30 |
|
1.78 |
3.6 (110℃×24h) |
2 (800℃×3h) |
25 |
|
Wall Patching Materials |
85 |
|
|
|
6 |
|
4 (1000℃×24h) |
|
|
|
Magnesia Gunning Materials(GP) |
87 |
|
|
|
|
2.30 |
6 (110℃×24h) |
2 (110℃×24h) |
30 |
|
Magnesia Gunning Materials(ZP) |
83 |
|
|
|
|
2.30 |
5 |
1 |
|
|
Dry Type Magnesia Mix for Tundish |
85 |
|
|
|
|
2.35 |
7 (2000℃×24h) |
7 (110℃×24h) |
22 |
|
Dry Type MgO-CaO Mix for Tundish |
45 |
|
40 |
|
|
2.24 |
|
|
23 |
|
Ladle Castables(DJ) |
|
65 |
|
|
|
2.50 |
25 (110℃×24h) |
5 (110℃×24h) |
|
|
Ladle Castables(GJ) |
|
90 |
5 |
|
|
2.90 |
30 (110℃×24h) |
7 (110℃×24h) |
|
|
Ramming Mass for Iron Runner adn Slag Runner of Blast Furnace( I ) |
|
75 |
|
5 |
8 |
2.60 |
|
|
|
|
Ramming Mass for Iron Runner adn Slag Runner of Blast Furnace( II ) |
|
70 |
|
12 |
6 |
2.63 |
|
|
|
|
Ramming Mass for Iron Runner adn Slag Runner of Blast Furnace( III ) |
|
60 |
|
13 |
7 |
2.30 |
|
|
|
|
Spraying Materials for Tundish |
87 |
|
4 |
|
|
2.10 |
2.9 (110℃×24h) |
|
|
|
Mgo Mortar |
90 |
|
|
4 |
|
|
|
5 |
|
|
Mgo-Cao Mortar |
80 |
|
|
|
5 |
2.00 |
|
|
|
|
Taphole Repairing Materials |
80 |
|
5 |
|
|
2.30 |
|
|
|
|
Ramming Mass for EAF Bottom |
82 |
|
7-9 |
|
5-6 (Fe2O3) |
|
40 |
|
|
Magnesia Olivine Brick
|
Brand Index Item |
GLS-60 |
GLS-50 |
GLS-Z |
GLS-C |
|
MgO ≥% |
60 |
50 |
55 |
55 |
|
SiO2 ≤% |
20 |
30 |
|
|
|
Cr2O3 |
|
|
|
3-8 |
|
Zr2O3 |
|
|
3-8 |
|
|
Apparent Porosity ≤% |
20 |
20 |
20 |
20 |
|
Bulk Density ≥g/cm3 |
2.70 |
2.65 |
2.70 |
2.70 |
|
Cold Crushing Strength ≥MPa |
40 |
35 |
40 |
35 |
|
Refractoriness under Load(0.2MPa)℃ |
1650 |
1620 |
1560-1580 |
1560-1580 |
|
Thermal Shock Resistance (950℃,Air Cooling), ≥Times |
10 |
7 |
5 |
5 |
General Grade Magnesia Brick
|
Brand Index Item |
MZ-91 |
MZ-89 |
MZ-87 |
|
MgO ≥% |
91 |
89 |
87 |
|
CaO ≤% |
3 |
3 |
3 |
|
Refractoriness under Load(0.2MPa)℃ |
1550 |
1540 |
1520 |
|
Apparent Porosity ≤% |
18 |
20 |
20 |
|
Cold Crushing Strength ≥MPa |
58.8 |
49 |
39.2 |
|
Linear Changes on Reheating at 1650℃ ≤% |
0.5 |
0.6 |
|
High Grade Magnesia Brick
|
Brand Index Item |
HMS-97 |
HMS-9595 |
HMS-94 |
HMS-92 |
|
MgO ≥% |
96.5 |
95 |
94 |
92 |
|
SiO2 ≤% |
1.2 |
1.8 |
2.0 |
3.0 |
|
Apparent Porosity ≤% |
15 |
17 |
18 |
19 |
|
Bulk Density ≥g/cm3 |
2.95 |
2.93 |
2.90 |
2.85 |
|
Cold Crushing Strength ≥MPa |
70 |
65 |
60 |
50 |
|
Refractoriness under Load(0.2MPa)℃ |
1650 |
1620 |
1580 |
1560 |
|
Thermal Shock Resistance (950℃,Air Cooling), ≥Times |
10 |
10 |
10 |
5 |
Special Grade Magnesia Chrome Brick
|
Brand Index Item |
HLM-22 |
HMS-18 |
HMS-70 |
HMS-85 |
|
MgO ≥% |
55 |
66 |
70 |
85 |
|
Cr2O3 |
22-25 |
18-22 |
4≤% |
4≤% |
|
SiO2 ≤% |
2.6 |
2.4 |
3.0 |
2.0 |
|
Apparent Porosity ≤% |
16 |
16 |
20 |
18 |
|
Bulk Density ≥g/cm3 |
3.10 |
3.05 |
3.00 |
3.05 |
|
Cold Crushing Strength ≥MPa |
45 |
45 |
35 |
40 |
|
Refractoriness under Load(0.2MPa)℃ |
1700 |
1700 |
1560 |
1620 |
|
Thermal Shock Resistance (950℃,Air Cooling), ≥Times |
40 |
40 |
40 |
40 |
Semi-Direct Bonded Magnesia-Chrome Brick
|
Brand Index Item |
BMC-12 |
BMC-9 |
BMC-6 |
BMC-4 |
|
MgO ≥% |
60 |
65 |
75 |
80 |
|
Cr2O3 ≥% |
12 |
9 |
6 |
4 |
|
SiO2 ≥% |
3.0 |
2.8 |
2.5 |
2.2 |
|
Apparent Porosity ≤% |
19 |
19 |
18 |
18 |
|
Cold Crushing Strength ≥MPa |
35 |
35 |
40 |
40 |
|
Refractoriness under Load(0.2MPa)℃ |
1580 |
1580 |
1570 |
1570 |
Direct Bonded Magnesia-Chrome Brick
|
Brand Index Item |
DMC 12A |
DMC 6A |
DMC 12B |
DMC 6B |
DMC 20C |
DMC 16C |
|
MgO ≥% |
65 |
75 |
65 |
80 |
55 |
65 |
|
Cr2O3 ≥% |
12 |
6 |
12 |
6 |
20 |
16 |
|
SiO2 ≥% |
2.5 |
2.0 |
2.2 |
2.0 |
2.5 |
2.4 |
|
Apparent Porosity ≤% |
19 |
18 |
18 |
17 |
17 |
18 |
|
Bulk Density ≥g/cm3 |
3.05 |
2.98 |
3.10 |
3.05 |
3.15 |
3.08 |
|
Cold Crushing Strength ≥MPa |
40 |
45 |
40 |
45 |
45 |
45 |
|
Refractoriness under Load(0.2MPa)℃ |
1670 |
1650 |
1680 |
1650 |
1700 |
1700 |
|
Thermal Shock Resistance (950℃,Air Cooling), ≥Times |
|
|
60 |
60 |
60 |
60 |
|
1100℃ Water Cooling, ≥Times |
5 |
4 |
|
|
|
|