Annealer refractory brick
Minimum Order: 0
Quality/Safety Certification: 0.00
1. Al2O3: 35-75%
2. Refractoriness: 1670-1790C
3. Size: 230x114x65/75mm
4. Porosity: 22-26%
5. ISO9001:2000
Refractory brick
Tech Data
| Item | NZ-35 | NZ-42 | LZ-48 | LZ-55 | LZ-65 | LZ-75 | |
| Al2O3(%) | 35 | 42 | 48 | 55 | 65 | 75 | |
| Refractoriness(C) | 1670 | 1730 | 1750 | 1770 | 1790 | 1790 | |
| Refractoriness under load, 0.2MPa (CO) | 1350 | 1400 | 1420 | 1470 | 1500 | 1520 | |
| Linear Change(%) | 1500C×2h | - | - | - | 0.1 | 0.1 | 0.1 |
| -0.4 | -0.4 | -0.4 | |||||
| 1450C×2h | - | - | 0.1 | - | - | - | |
| -0.4 | |||||||
| 1350C×2h | 0.1 | 0.2 | - | - | - | - | |
| -0.5 | -0.5 | ||||||
| Porosity(%) | 26 | 24 | 22 | 22 | 23 | 23 | |
| Cold Crushing Strength (Mpa) | 19.6 | 29.4 | 40 | 44 | 49 | 53.9 | |
Applications:
1. Hot face lining
2. Furnaces of metallurgy indsutry, heat treatment furnace, hot blast stove
3. Furnaces of petroleum and chemical industry, construction industry
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