PRODUCTS
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Silicon Bricks
Insulating Silica Brick
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Properties
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Insulating silica brick
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|
NLQJ-0.8
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NLQJ-1.0
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NLQJ-1.1
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NLQJ-1.15
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NLQJ-1.2
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|
SiO2,Min. (%)
|
88
|
91
|
91
|
91
|
91
|
|
0.1MPa refractoriness under load, Min. (°C)
|
1400
|
1420
|
1460
|
1500
|
1560
|
|
Cold crushing strength, Min. (MPa)
|
1.8
|
1.96
|
2.94
|
4.90
|
5.39
|
|
Linear change after heating, (1450°C×2h) (%)
|
--
|
--
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--
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+0.4
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+0.4
|
|
Real density, Min. (%)
|
2.35
|
2.34
|
2.34
|
2.33
|
2.33
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Silica Brick for Coke Oven
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Properties
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Silica brick for coke oven
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NLJG-94
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NLJG-95
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SiO2,Min. (%)
|
94
|
95
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Al2O3,Min. (%)
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1.2
|
1.0
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|
Fe2O3,Max. (%)
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1.3
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1.2
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|
0.2MPa refractoriness under load, Min. (°C)
|
1650
|
1650
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|
Linear change after heating, (1450°C×2h) (%)
|
+0.2
|
+0.2
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|
Apparent porosity grade I., Max. (%)
|
22
|
22
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|
Apparent porosity grade II., Max. (%)
|
24
|
24
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|
Cold crushing strength, Min. (MPa)
|
30
|
35
|
|
Real density, Min. (g/cm3)
|
2.34
|
2.33
|
|
Residual quartz (%)
|
1
|
1
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|
Thermal expansion (1000°C), Max. (%)
|
1.25
|
1.25
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Silica Brick for Glass Furnaces
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Properties
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NBG-95
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NBG-96
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NLBG-95
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NLBG-96A
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NLBG-96B
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|
SiO2,Min. (%)
|
95
|
95.5
|
95
|
96
|
96
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|
Fe2O3,Max. (%)
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1.2
|
1.0
|
1.2
|
0.6
|
1.0
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|
Refractoriness, Min. (°C)
|
1710
|
1710
|
1710
|
1710
|
1710
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0.2MPa refractoriness under load, Min. (°C)
|
1650
|
1650
|
1660
|
1680
|
1680
|
|
Apparent porosity, Max. (%)
|
22
|
21
|
22
|
22
|
22
|
|
Cold crushing strength, Min. (MPa)
|
30
|
30
|
35
|
35
|
35
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|
Real density, Min. (g/cm3)
|
2.37
|
2.36
|
2.35
|
2.34
|
2.34
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|
Flux index (Al2O3+2R2O), Max. (%)
|
--
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--
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1.0
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0.5
|
0.7
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Silica Brick for Hot Stoves
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Properties
|
Silica brick
|
Silica brick for hot stoves
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|
NLGZ-95
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NLRG-95
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SiO2,Min. (%)
|
95
|
95
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|
Thermal expansion (1000°C), Max. (%)
|
--
|
1.25
|
|
0.2MPa refractoriness under load, Min. (°C)
|
1650
|
1660
|
|
Linear change after heating, (1450°C×2h) (%)
|
--
|
+0.2
|
|
Apparent porosity, Max. (%)
|
22
|
22
|
|
Cold crushing strength, Min. (MPa)
|
30
|
35
|
|
Real density, Min. (g/cm3)
|
2.34
|
2.34
|
|
0.2MPa creep rate (1500°C×50h), Max. (%)
|
--
|
0.3
|
|
Residual quartz, Max. (%)
|
--
|
1
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