Chamotte clay brick,Chamotte refractory brick,Clay chamotte brick
Features and advantages:
1. High refractoriness,High-temperature endurable .
2. Good corrosion resistance.
3. Good spalling resistance and wear resistance.
4. Good thermal shock resistance.
5. High mechanical strength.
6. High-temperature creep rate is low.
7. Good volume stability at high temperature.
Physical and chemical index:
Item/Grade | Fire clay brick | High alumina brick |
ZYC-35 | ZYC-38 | ZYC-42 | ZYC-45 | ZYC-55 | ZYC-65 | ZYC-75 | ZYC-85 |
AL2O3 % (≥) | 35 | 38 | 42 | 45 | 55 | 65 | 75 | 85 |
Refractoriness °C (≥) | 1680 | 1730 | 1750 | 1760 | 1770 | 1790 | 1790 | 1850 |
Refractoriness under load, 0.2MPa, °C (≥) | 1350 | 1370 | 1400 | 1420 | 1450 | 1500 | 1550 | 1600 |
Permanent linear Change, % | 1500°C ,2h | | | | | 0.1-0.4 | 0.1-0.4 | 0.1-0.4 | 0.1-0.4 |
1400 °C,2h | | | +0.1 -0.3 | +0.1 -0.3 | | | | |
1350 °C,2h | +0.2 -0.4 | +0.1 -0.3 | | | | | | |
Apparent porosity % (≤) | 24 | 22 | 20 | 20 | 22 | 23 | 23 | 23 |
Cold crushing strength ,MPa (≥) | 25 | 30 | 35 | 40 | 45 | 50 | 60 | 70 |
Application:
Chamotte brick is widely used in metallurgy, petroleum, chemical industry, building materials, machinery processing, military, etc of thermal technology equipment.