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Nicaragua High-alumina heat-insulating refractory brick
The product is improved by the traditional high alumina brick process, the soft temperature is higher than the national standard 60 ℃, high strength is the choice of high temperature kiln. The company has its own R & D center, laboratory and automated production line.
Category:
Product Description
Product selling point:High strength, high temperature resistance, low creep, high load soft.
Product introduction:The product is improved by the traditional high alumina brick process, the soft temperature is higher than the national standard 60 ℃, high strength is the choice of high temperature kiln. The company has its own R & D center, laboratory and automated production line.
Physical and chemical indicators:
| Project | Indicators | ||
| Al2O3 | ≥ 65 | ≥75 | ≥80 |
| Bulk density (g/cm3） | ≥ 2.4 | ≥ 2.6 | ≥ 2.8 |
| Approximate porosity (%) | ≤ 23 | ≤ 22 | ≤ 21 |
| Normal temperature compressive strength (MPa) | ≥ 55 | ≥ 65 | ≥75 |
| Load softening temperature (T0.6,℃) | ≥ 1500 | ≥ 1520 | ≥ 1530 |
| Change of permanent heating line 1500 ℃× 2h(%) | -0.5 | -0.5 | -0.5 |