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- Contact Person : Ms. Zhang Ammy
- Company Name : Qingdao Huierde International Trade Co., Ltd.
- Tel : 86-532-80920668
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refractory clay brick for coke oven&hot-blast furnace
Product Detailed
Related Categories:Refractory
1. Product name:clay brick
2. Al2O3:32-42%
3. We are factory
4. Made in China
chamotte brick for coke oven or hot blast stove| Useful | chamotte brick for coke oven | semi-silica brick | chamotte brick for Hot-Blast Stove | |||
| Mark | JNZ-35 | BGZ-65 | RN-42 | RN-40 | RN-36 | |
| Chemical Composition | W(SiO2)/% ≥ | 65 | ||||
| W(AI2O3)/% | 32-42 | ≤30 | 42 | 40 | 36 | |
| W(Fe2O3)/% ≤ | 2 | 2 | 1.8 | 2 | 2 | |
| W(K2O+Na2O)/% ≤ | 1 | 1 | 1 | 1 | 1 | |
| PhysicalIndex | apparent porosity % ≤ | 24 | 24 | 22(24) | 22(24) | 22(24) |
| Bulk density g/cm ≥ | 2~2.2 | 2~2.2 | 2~2.2 | 2~2.2 | 2~2.2 | |
| compression strength Mpa ≥ | 25 | 25 | 35 | 30 | 30 | |
| linear changes on reheating(1350°C×2h)% | 0.2,-0.4 | 0.2,-0.2 | –0.4~0 | –0.4~0 | –0.4~0 | |
| softening temperature (point) under load 0.2Mpa°C≥ | 1350 | 1350 | 1401 | 1350 | 1300 | |
| Refractoriness(Degree) °C ≥ | 1730 | 1750 | 1750 | 1730 | 1700 | |
Note:
We make as your demanding speicfication.
refractory clay brick for coke oven&hot-blast furnace
