PRODUCTS
|
Unshaped Refractory Materials
Refractory Coating, Gunning Materials
|
Properties
|
Magnesia coating materials for turn dish
|
Magnesia gunning materials for EAF
|
Gunning materials for converter
|
|
NLBMT-86
|
NLBMT-82
|
NLBMT-87
|
NLBMT-83
|
|
MgO, Min. (%)
|
86
|
82
|
87
|
83
|
70
|
|
SiO2 (%)
|
7
|
9
|
6
|
8
|
--
|
|
CaO, Max. (%)
|
--
|
--
|
--
|
--
|
8
|
|
Top service temperature (°C)
|
1790
|
1790
|
1750
|
1780
|
--
|
|
Bulk density, Min. (g/cm3)
|
2.40
|
2.40
|
--
|
--
|
--
|
|
Cold crushing strength (110°C×24h), Min. (MPa)
|
12
|
8
|
--
|
--
|
--
|
|
Cold crushing strength (1500°C×3h), Min. (MPa)
|
10
|
6
|
--
|
--
|
--
|
|
Grain 4 - 1mm (%)
|
--
|
--
|
50
|
50
|
30
|
|
Grain 0.088mm, Max. (%)
|
--
|
--
|
30
|
30
|
32
|
Unshaped Refractory Materials Mortar
|
Properties
|
High-alumina series
|
For hot blast stove
|
For coke oven
|
For glass furnaces
|
Magnesia mortar
|
Magnesia chrome mortar
|
|
NLN-75A
|
NLN-75B
|
NLN-85A
|
NLN-85B
|
NLRGN-94
|
NLJGN-94
|
NLBGN-95.5
|
NLMN-87
|
NLMGeN-8
|
|
Al2O3, Min. (%)
|
75
|
75
|
85
|
85
|
--
|
94
|
--
|
87
|
8(Cr2O3)
|
|
MgO, Min. (%)
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
87
|
60
|
|
Fe2O3,Max. (%)
|
--
|
--
|
--
|
--
|
1.0
|
1.5
|
1.0
|
--
|
--
|
|
SiO2, Min. (%)
|
--
|
--
|
--
|
--
|
94
|
94
|
95.5
|
--
|
--
|
|
Refractoriness, Min. (°C)
|
1790
|
1790
|
1790
|
1790
|
1690
|
1690
|
1710
|
1790
|
1790
|
|
0.2MPa refractoriness under load, Min. (°C)
|
--
|
--
|
--
|
--
|
1600
|
1530
|
1600
|
--
|
--
|
|
Adhesive strength of rupture (110 °C after dry-ing), Min. (MPa)
|
1.0 (24h)
|
2.0 (24h)
|
2.0 (24h)
|
2.0 (24h)
|
1.0 (12h)
|
1.0 (12h)
|
1.0 (24h)
|
1.0 (12h)
|
1.5 (12h)
|
|
Adhesive strength of rupture (1400 °C after dry-ing), Min. (MPa)
|
4
|
6
|
6(3h)
|
6(3h)
|
3.0
|
3.0
|
--
|
0.6 (3h)
|
1.0 (3h)
|
|
Adhesive time (min)
|
1-3
|
1-3
|
1-3
|
1-3
|
1-3
|
1-2.5
|
1-3
|
1-3
|
1-3
|
|
Grain distribution (0.5 mm), Max. (%)
|
2
|
2
|
2
|
2
|
1
|
2
|
2
|
2
|
2
|
|
Grain distribution (0.074 mm), Min. (%)
|
50
|
50
|
50
|
50
|
60
|
50
|
60
|
60
|
60
|
|
Water (%)
|
--
|
--
|
--
|
--
|
40-42
|
40-42
|
40-42
|
--
|
--
|
Refractories for Ceramic Kiln
|
Properties
|
Item
|
SiO2-bonded SiC
|
Si3N4 bonded SiC
|
Mullite-bonded SiC
|
|
NCOR-120
|
NCOR-125
|
NCOR-130
|
NCOR-135
|
|
Al2O3 (%)
|
45-50
|
45-50
|
45-50
|
45-50
|
--
|
--
|
--
|
|
MgO (%)
|
4-6
|
4-6
|
4-6
|
4-6
|
--
|
--
|
--
|
|
Fe2O3,Max. (%)
|
1.4
|
1.4
|
1.4
|
1.4
|
1
|
1
|
1
|
|
SiC, Min. (%)
|
--
|
--
|
--
|
--
|
90
|
70
|
70
|
|
SiO2 (%)
|
40-45
|
40-45
|
40-45
|
40-45
|
8 Max.
|
20 Min. (Si3N4)
|
--
|
|
Bulk density (g/cm3)
|
1.8-2.0
|
1.8-2.0
|
1.9-2.0
|
1.9-2.1
|
2.5 Min.
|
2.55 Min.
|
2.6 Min.
|
|
0.2MPa refractoriness under load, Min. (°C)
|
--
|
--
|
--
|
--
|
--
|
1750
|
--
|
|
Cold crushing strength, Min. (MPa)
|
--
|
--
|
--
|
--
|
--
|
150
|
--
|
|
Apparent porosity (%)
|
24-28
|
25-30
|
23-28
|
22-28
|
18 Max.
|
18 Max.
|
18 Max.
|
|
Top service temperature (°C)
|
1200
|
1250
|
1300
|
1350
|
1350
|
1450
|
1450
|
|
Cold flexural strength, Min. (MPa)
|
--
|
--
|
--
|
--
|
25
|
45
|
28
|
|
Hot flexural strength (1400°C× 0.5h), Min. (MPa)
|
15 (1200 °C)
|
12 (1250 °C)
|
13 (1250 °C)
|
11 (1250 °C)
|
18
|
45
|
25
|
|
Thermal expansion, Max. (1/°C)
|
2.8
|
2.5
|
2.8
|
3.3
|
--
|
4.5E-6 (20-1000 °C)
|
--
|
Ramming Mix, Castable, Table 1
|
Properties
|
Porosity, Max. (%)
|
MgOMin. (%)
|
Fe2O3 (%)
|
CaO (%)
|
Bulk den-sixty, Min. (g/cm3)
|
Crush-in strength, Min. (MPa)
|
Flex. strength, Min. (MPa)
|
Linear change after heating
|
Grain size
|
|
+5mm, Max. (%)
|
-0.074 mm, Min. (%)
|
|
Ramming for EAF bottom
|
21
|
85
|
5-7
|
6-8
|
2.80
|
45 (1600°C×3h)
|
12 (1600°C ×3h)
|
-2.6
|
2
|
23
|
Ramming Mix, Castable, Table 2
|
Properties
|
lg. loss (%)
|
Ash (%)
|
F.C. (%)
|
Bulk density
after moulding
|
Bulk density
after drying
|
Crushing strength
|
|
Carbon containing series
|
3 Max.
|
5 Max.
|
85 Min.
|
1.60 g/cm3 Min.
|
1.50 g/cm3 Min.
|
15 MPa Min.
|
Ramming Mix, Castable, Table 3
|
Properties
|
Al2O3 Min. (%)
|
MgO Min. (%)
|
Linear change after heating (1650°C ×3h)
|
Crushing strength, Min. (MPa)
|
Flexural strength (1650°C ×3h), Min. (MPa)
|
Top service temperature (°C)
|
|
110°C ×24h
|
1650°C ×3h
|
|
|
88
|
7
|
0~+1 (1650°C ×3h)
|
--
|
65
|
15
|
1650-1680
|
Ramming Mix, Castable, Table 4
|
Properties
|
Castables and ramming mix for blast furnace trough
|
Alumina-magnesia refractory castable for continuous casting ladle
|
|
Castables
|
Ramming mix
|
NLGYJ-95
|
NLGYJ-90
|
|
Al2O3, Min. (%)
|
60
|
70
|
55
|
65
|
--
|
--
|
|
Al2O3+MgO, Min. (%)
|
--
|
--
|
--
|
--
|
95
|
90
|
|
SiC+C, Min. (%)
|
20
|
10
|
18
|
12
|
--
|
--
|
|
Cold crushing strength (110°C×24h), Min. (MPa)
|
30
|
40
|
15
|
15
|
30
|
30
|
|
Cold crushing strength (1450°C×3h), Min. (MPa)
|
50
|
60
|
15
|
20
|
--
|
--
|
|
Cold crushing strength (1500°C×3h), Min. (MPa)
|
--
|
--
|
--
|
--
|
60
|
60
|
|
Cold flexural strength (110°C×24h), Min. (MPa)
|
4.0
|
4.0
|
4.0
|
4.0
|
60
|
55
|
|
Cold flexural strength (1450°C×3h), Min. (MPa)
|
6.0
|
8.0
|
3.0
|
4.0
|
--
|
--
|
|
Cold flexural strength (1500°C×3h), Min. (MPa)
|
--
|
--
|
--
|
--
|
10
|
10
|
|
Bulk density (110°C ×24h), Min. (g/cm3)
|
2.80
|
2.85
|
2.50
|
2.55
|
--
|
--
|
|
Bulk density (1450°C ×3h), Min. (g/cm3)
|
2.75
|
2.80
|
2.30
|
2.35
|
--
|
--
|
|
Linear change after heating (110°C×24h) (%)
|
+0.2~ -0.2
|
+0.2~ -0.2
|
+0.2~ -0.2
|
+0.2~ -0.2
|
--
|
--
|
|
Linear change after heating (1450°C×3h) (%)
|
+0.4~0
|
+0.4~0
|
+0.4~0
|
+0.4~0
|
--
|
--
|
|
Linear change after heating (1500°C×3h) (%)
|
--
|
--
|
--
|
--
|
0~+0.8
|
0~+0.8
|
Castable, Table 1
|
Properties
|
Abrasive castables for flow recycling furnace
|
Unshaped refractories for "W" flame power boiler
|
|
NLNMJ-90
|
NLNMJ-80
|
NLSG-80
|
NLDGJ-90
|
NLDNJ-40
|
|
Al2O3, Min. (%)
|
90
|
80
|
80
|
90
|
40
|
|
Cold crushing strength (110°C×24h), Min. (MPa)
|
90
|
85
|
20
|
40
|
20
|
|
Cold crushing strength (1000°C×3h), Min. (MPa)
|
15
|
14
|
--
|
--
|
--
|
|
Cold crushing strength (815°C×3h), Min. (MPa)
|
--
|
--
|
30
|
30
|
15
|
|
Cold flexural strength (110°C×24h), Min. (MPa)
|
12
|
10
|
5
|
6
|
5
|
|
Cold flexural strength (1000°C×3h), Min. (MPa)
|
15
|
14
|
--
|
--
|
--
|
|
Cold flexural strength (815°C×3h), Min. (MPa)
|
--
|
--
|
6
|
4
|
3
|
|
Bulk density (110°C ×24h), Min. (g/cm3)
|
2.90
|
2.70
|
2.50
|
2.60
|
2.00
|
|
Bulk density (1000°C ×24h), Min. (g/cm3)
|
2.80
|
2.60
|
--
|
--
|
--
|
|
Linear change after heating (110°C×24h) (%)
|
0~-0.2
|
0~-0.2
|
0~-0.7
|
0~-0.4
|
0~-0.2
|
|
Linear change after heating (1000°C×3h) (%)
|
0~+0.4
|
0~+0.4
|
--
|
--
|
--
|
|
Linear change after heating (815°C×3h) (%)
|
--
|
--
|
0~-1.0
|
0~-0.5
|
0~-0.5
|
Castable, Table 2
|
Properties
|
Low-cement castables
|
Corundum castable
|
Stainless-steel fiber reinforced castables
|
|
Common castables
|
High-strength castables
|
|
NLDJ-75
|
NLDJ-80
|
NLGJ-92
|
NFA
|
NFC
|
NFHA
|
NFHC
|
NFHC-1
|
|
Al2O3, Min. (%)
|
75
|
80
|
92
|
70
|
83
|
70
|
80
|
85
|
|
Bulk density (110°C ×24h), Min. (g/cm3)
|
2.65
|
2.70
|
2.76
|
--
|
--
|
--
|
--
|
--
|
|
Cold crushing strength (110°C×24h), Min. (MPa)
|
45
|
45
|
50
|
40
|
50
|
60
|
70
|
70
|
|
Cold crushing strength (1100°C×3h), Min. (MPa)
|
--
|
--
|
--
|
70
|
70
|
70
|
80
|
80
|
|
Cold crushing strength (1450°C×3h), Min. (MPa)
|
85
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
Cold crushing strength (1500°C×3h), Min. (MPa)
|
--
|
90
|
--
|
--
|
--
|
--
|
--
|
--
|
|
Cold crushing strength (815°C×3h), Min. (MPa)
|
--
|
--
|
40
|
--
|
--
|
--
|
--
|
--
|
|
Linear change after heating (1100°C×3h) (%)
|
--
|
--
|
--
|
±0.4
|
±0.5
|
±0.4
|
±0.5
|
±0.6
|
|
Linear change after heating (1450°C×3h) (%)
|
±0.6
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
Linear change after heating (815°C×3h) (%)
|
--
|
--
|
-0.3
|
--
|
--
|
--
|
--
|
--
|
|
Linear change after heating (1500°C×3h) (%)
|
--
|
±0.5
|
--
|
--
|
--
|
--
|
--
|
--
|
|
Refractoriness, Min. (°C)
|
1700
|
1790
|
--
|
--
|
--
|
--
|
--
|
--
|
|
Cold flexural strength (110°C×24h), Min. (MPa)
|
9.0
|
10
|
--
|
9.0
|
9.0
|
10.0
|
12.0
|
12.0
|
|
Cold flexural strength (1000°C×3h), Min. (MPa)
|
--
|
--
|
--
|
5.5
|
6.5
|
11.0
|
12.0
|
12.0
|
|
Cold flexural strength (1450°C×3h), Min. (MPa)
|
10
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
Cold flexural strength (1500°C×3h), Min. (MPa)
|
--
|
12
|
--
|
--
|
--
|
--
|
--
|
--
|
|
Flexural strength after 1100°C water recycle 5 times, Min. (MPa)
|
--
|
--
|
--
|
4.5
|
5.5
|
5.0
|
5.0
|
5.0
|
|
