Refractory chamotte brick,clay chamotte brick,Fire clay brick
Characteristics:
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 | Index |
ZYC-30 | ZYC-35 | ZYC-38 | ZYC-42 | ZYC-45 |
AL2O3 % (≥) | 30 | 35 | 38 | 42 | 45 |
Refractoriness °C (≥) | 1650 | 1680 | 1730 | 1750 | 1760 |
Refractoriness under load, 0.2MPa, Deg.C (≥) | 1250 | 1300 | 1360 | 1400 | 1420 |
Permanent linear Change, % | 1400 Deg.C,2h | | | | +0.1 -0.3 | +0.1 -0.2 |
1350 Deg.C,2h | +0.2 -0.5 | +0.2 -0.4 | +0.1 -0.3 | | |
Apparent porosity % (≤) | 26 | 24 | 22 | 20 | 20 |
Cold crushing strength ,MPa (≥) | 20 | 25 | 30 | 35 | 40 |
Application:
Refractory chamotte brick is widely used in metallurgy, petroleum, chemical industry, building materials, machinery processing, military, etc of thermal technology equipment.