Inquiry Basket (
Home » Product List » Refractory products » High Alumina Brick
Product Details
High Alumina Brick
| Model NO.: | LZ |
|---|
Product Description
High alumina bricks for blast furnace are sued in the part of throat, stack, hearth and its temperature of refractoriness under load is normally above 1420~1550 that is higher than the clay brick .
High alumina bricks are of very good ability of anti-acidity, anti-metal fluid corrode and anti-oxidation.
| ITEM | INDEX | ||||||
| LZ - 75 | LZ - 65 | LZ - 55 | LZ - 48 | ||||
| AL2O3% | ≥75 | ≥65 | ≥55 | ≥48 | |||
| Refractoriness | ≥1790 | ≥1790 | ≥1770 | ≥1750 | |||
| 0.2MPa Refractoriness under load | ≥1520 | ≥1500 | ≥1470 | ≥1420 | |||
| Permanent Linear Change % | 1500 , 2h | +0.1 , -0.4 - | - | ||||
| 1450 , 2h | - +0.1 , -0.4 | +0.1 , -0.4 | |||||
| Apparent Porosity % | ≤22 | ≤23 | ≤22 | ≤22 | |||
| Cold crushing strength MPa | ≥58 | ≥50 | ≥46 | ≥42 | |||
