High Mechanical Strength Fire Clay Refractory Brick for Cement Kiln
Feature:
Fire clay refractory brick has the feature of high mechanical strength,low thermal conductivity,low operating temperature, better not exceed the test temperature of the re-burning line change. Energy saving,especially in the kilns of batch operation.
Application:
Iron&steel making industry:blast furnace,hot blast furnace(stove),pellet shaft furnace,hot metal ladle,steel ladle, tundish,heating furnace,soaking pit furnace,heat treatment furnace,refining furnace,reheating furnace,metal mixter furnace,annealing furnace, cupola furnace,electric arc furnace,induction furnace,AOD furnace,VOD furnace,etc thermal technology equipment.
Technical Index:
| Item |
Chamotte Brick for Carbon Furnace |
| N-1 |
N-2a |
N-2b |
N-3a |
N-3b |
N-4 |
N-5 |
N-6 |
| Al2O3 % |
≥42 |
≥40 |
≥40 |
≥40 |
≥40 |
≥38 |
-- |
-- |
| Refractoriness ℃ |
≥1750 |
≥1730 |
≥1730 |
≥1710 |
≥1710 |
≥1690 |
≥1670 |
≥1580 |
| Refractoriness Under Load,℃,[0.2MPa×0.6%] |
≥1400 |
≥1350 |
-- |
≥1320 |
-- |
≥1300 |
-- |
-- |
| Permanent Linear Change, % |
1400℃×2h |
+0.1
-0.4
|
+0.1
-0.5
|
+0.2
-0.5
|
-- |
-- |
-- |
-- |
-- |
| 1350℃×2h |
-- |
-- |
-- |
+0.2
-0.5
|
+0.2
-0.5
|
+0.2
-0.5
|
+0.2
-0.5
|
-- |
| Apparent Porosity % |
≤22 |
≤26 |
≤24 |
≤24 |
≤26 |
≤24 |
≤26 |
≤28 |
| Cold Crushing Strength, MPa |
≥30.0 |
≥20.0 |
≥25.0 |
≥20.0 |
≥15.0 |
≥20.0 |
≥15.0 |
≥15.0 |
FAQ:
1. Do you provide samples?
Standard size sample is free, but the air freight is collect or you pay us the cost in advance.
2. What’s your MOQ?
Normally we don’t have particular requirements on the MOQ. But we will charge the mold cost when the quantity of per shape is small.
3. What’s your warranty?
We are very confident in our products. Any quality issues, we will deal with it immediately.
