Products Description
Andalusite Brick has high cold crushing strength, high refractoriness under load, high thermal stability, good creep resistance and thermal shock resistance, It is alternative product for high aluminum bricks, used in the professional of the key parts of the furnaces.
Products Specifications
Features
1. High cold crushing strength
2. High refractoriness under the load
3. Good creep resistance
|
Product Index |
ZA-55 |
ZA-62 |
ZA-65 |
|
|
Chemical analysis |
Al2O3% |
≥55 |
≥62 |
≥65 |
|
Fe2O3 % |
≤1.2 |
≤1.2 |
≤1.2 |
|
|
Physical properties |
Bulk density (g/cm3) |
≥2.45 |
≥2.5 |
≥2.5 |
|
Apparent porosity (%) |
≤17 |
≤17 |
≤17 |
|
|
Cold crushing strength (Mpa) |
≥60 |
≥60 |
≥60 |
|
|
Refractoriness under load(°C) |
≥1600 |
≥1650 |
≥1680 |
|
|
Thermal shock resistance |
Good |
Better |
Better |
|
|
Thermal expansion coefficient(1000°C) |
≤ 0.55 |
≤ 0.55 |
≤ 0.55 |
|
|
Creep resistance 20-50h,(%) |
1350°C <0.2 |
1400°C <0.2 |
1450°C <0.2 |
|
