Furnace Refractory Brick Low Porosity Al2O3 42% Fire Clay Brick for Cement Kiln
Introduction:
Fire clay brick is made from clinker clay by mixing, forming, drying, sintering and matching characterized by good resistance to corrosion and abrasion, good thermal shock resistance, good spelling resistance, high mechanical strength, good volume stability under high temperature.
Fire clay brick is applied for the linings of various incinerators, reheating furnaces etc.
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 |
Packaging & Delivery
Fire clay brick is packed on wooden pallets, with water-proof cover, and tightened with plastic/steel bandages
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.
