anchor brick,Refractory high alumina anchor brick,anchor refractory brick
Characteristics:
1. High refractoriness.
2. High strength and High dense.
3. The high temperature strength good.
4. Shock resistant stability is good.
5. High-temperature creep rate is low.
6. Good erosion resistance.
7. Good thermal shock resistance .
Physical and chemical index:
Item | Index |
LZ-48 | LZ-55 | LZ-65 | LZ-75 | LZ-80 | LZ-85 |
AL2O3 % (≥) | 48 | 55 | 65 | 75 | 80 | 85 |
Refractoriness °C (≥) | 1750 | 1770 | 1790 | 1790 | 1820 | 1850 |
Refractoriness under load, 0.2MPa, °C (≥) | 1420 | 1450 | 1500 | 1530 | 1550 | 1580 |
Permanent linear Change % | 1500°C,2h | | 0.1-0.4 |
1450°C,2h | 0.1-0.4 | |
Apparent porosity % (≤) | 22 | 22 | 23 | 23 | 22 | 23 |
Cold crushing strength Mpa (≥) | 40 | 45 | 50 | 60 | 65 | 70 |
Application:
High Alumina Anchor Brick widely used in every part of blast furnace lining with good work ability.