Loading Port:China main port
Payment Terms:TT OR LC
Min Order Qty:300 m.t.
Supply Capability:50000 m.t./month
Refractory Brick Physical and Chemical Index
Item/Grade | SK-32 | SK-34 | SK-36 | SK-37 | SK-38 |
AL2O3 % (≥) | 35 | 38 | 55 | 65 | 70 |
Fe2O3 % (≤) | 2.5 | 2.5 | 2.0 | 2.0 | 2.0 |
Refractoriness(SK) | 32 | 34 | 36 | 37 | 38 |
Refractoriness under load, 0.2MPa, °C(≥) | 1300 | 1360 | 1450 | 1480 | 1530 |
Apparent porosity (%) | 22-24 | 20-22 | 20-23 | 20-23 | 20-22 |
Bulk density (g/cm³) | 1.95-2.1 | 2.1-2.2 | 2.25-2.4 | 2.3-2.5 | 2.4-2.6 |
Cold crushing strength ,MPa (≥) | 25 | 30 | 45 | 50 | 60 |
Thermal expansion at 1000°C (%) | 0.6 | 0.6 | 0.3 | 0.3 | 0.2 |
Refractory Brick Feature
1. High refractoriness.
2. Good spalling resistance and wear resistance.
3. Good corrosion resistance.
4. Good thermal shock resistance.
5. High mechanical strength.
6. High-temperature creep rate is low.
7. Good volume stability at high temperature.
Refractory Brick Application
Alumina brick is widely used in metallurgy, petroleum, chemical industry, building materials, machinery processing, military, etc of thermal technology equipment.
