Fire Clay Bricks
Main introduction of Fire clay bricks
Fire clay bricks refer to refractory bricks containing Al2O3 more than 38%, which is made of high grade bauxite through high temperature calcinations.
Advantages of Fire clay Bricks
Applications of the Fire clay Bricks:
Widely application for coke oven, blast furnace, hot blast furnace, boiler, cement kiln,glass kiln and kinds of kiln lining and thermal equipment.
Fire clay Bricks technical index
|
Index |
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 |
|
|
Refractorinessunderload,℃2kg/cm2≥ |
1400 |
1350 |
1320 |
1300 |
|||||
|
Reheatinglinearchange% |
1400℃,2h |
||||||||
|
-0.4 |
-0.5 |
-0.5 |
|||||||
|
1350℃,2h |
|||||||||
|
-0.5 |
-0.5 |
-0.5 |
-0.5 |
||||||
|
Apparentporosity,%≤ |
22 |
24 |
26 |
24 |
26 |
24 |
26 |
28 |
|
|
Compressstrength,N/mm2≥ |
30 |
25 |
20 |
20 |
15 |
20 |
15 |
15 |
|
|
Thermalshockresistance |
N-2b,N-3bmustbetestedandlisttheactualmeasuringdatainthequalityCertification. |
||||||||
Fireclay Bricks are packed on wooden pallet and then polyethylene film is placed over it, finally the package is tied up with steel strips.
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