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Luoyang Boda Refractories Ltd Co.
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 Click to enlarge image
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 Origin |
China |
Match with the national standard nozzles well block ,reasonable and compact, suitable for use in tundish thermal insulating board.
| Item |
Nozzle cores |
Nozzie body |
| x-1 |
x-2 |
x-3 |
x-4 |
x-5 |
x-6 |
x-7 |
w-1 |
w-2 |
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Zr(Hf)O2
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≥ |
70 |
75 |
80 |
94 |
94 |
94 |
94 |
ï¼ |
ï¼ |
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Al2O3
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≥ |
ï¼ |
ï¼ |
ï¼ |
ï¼ |
ï¼ |
ï¼ |
ï¼ |
75 |
78 |
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Bulk density g/cm3
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≥ |
3.8 |
3.9 |
4.0 |
4.5 |
4.7 |
4.9 |
5.1 |
2.2 |
2.4 |
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Apparent porosityï¼ï¼
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≥ |
22 |
22 |
20 |
20 |
18 |
15 |
13 |
24 |
22 |
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Service Lifeï¼hrs
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≥ |
4 |
6 |
8 |
10 |
12 |
14 |
20 |
- |
- |
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Thermal shock resistance ï¼cycleï¼
ï¼1200â water-quenchingï¼
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≥ |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
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Application
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Used for con-casting small square billet and controlling flow rate. |
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