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Features
- 1. Low bulk density, low thermal conductivity, good thermal insulation performance.
- 2. Refractory category allow direct contact of fire, suitable ofr various atmosphere
- 3. Good integrity with furnace lining, long service life, easy operation, could be shaped freely
Typical Applications
- 1. Furnaces of metallurgy industry, heat treatment furnace
- 2. Furnaces of chemical industry and construction industry.
- 3. Furnace of incineration of garbage, recirculating fluidized bed furnace
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|
Item |
||||||||
|
N-1 |
N-2a |
N-2b |
N-3a |
N-3b |
N-4 |
N-5 |
N-6 |
||
|
Refractoriness, CN |
176 |
174 |
174 |
172 |
172 |
170 |
166 |
158 |
|
|
Refractoriness under load ,°C 2kg/cm2≥ |
1400 |
1350 |
|
1320 |
|
1300 |
|
|
|
|
Reheating linear change% |
1400°C,2h |
+0.1 |
+0.1 |
+0.2 |
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|
|
|
|
|
1350°C,2h |
|
|
|
+0.2 |
+0.2 |
+0.2 |
+0.2 |
|
|
|
Apparent porosity,%≤ |
22 |
24 |
26 |
24 |
26 |
24 |
26 |
28 |
|
|
Compress strength,N/mm2≥ |
30 |
25 |
20 |
20 |
15 |
20 |
15 |
15 |
|
|
Thermal shock resistance |
N-2b, N-3b must be tested and list the actual measuring data in the quality Certification. |
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