Mullite Insulation Brick JM28
Product Description
High alumina Insulation Refractory Bricks
| Items | KY-JM23 | KY-JM26 | KY-JM28-1 | KY-JM28-2 | KY-JM30 | |
| ºC Service temperature | 1260 | 1430 | 1540 | 1540 | 1650 | |
| (B.D.)g/cm3 ≤ Bulk density | 0.5 | 0.8 | 0.9 | 0.95 | 1.05 | |
| Mpa ≥ MOR | 0.7 | 1.1 | 1.5 | 1.6 | 2.0 | |
| Mpa ≥ CCS | 1.0 | 2.0 | 2.2 | 2.3 | 2.7 | |
| ºC PLC | % | 0.3 | 0.4 | 0.5 | 0.5 | - |
| ºC×8h | 1230 | 1400 | 1510 | 1510 | ||
| 1090ºC%≤ Reversible coefficient of thermal expansion | 0.6 | 0.7 | 0.8 | 0.8 | 0.9 | |
| w/m.k≤ Thermal conductivity | 400ºC | 0.15 | 0.28 | 0.32 | 0.33 | - |
| 600ºC | 0.17 | 0.31 | 0.34 | 0.36 | - | |
| 800ºC | 0.19 | 0.33 | 0.36 | 0.39 | - | |
| 1000ºC | 0.24 | 0.35 | 0.39 | 0.42 | - | |
| Al2O3% ≥ | 37 | 50 | 60 | 60 | 68 | |
| Fe2O3% ≤ | 1.0 | 1.0 | 0.8 | 0.8 | 0.7 | |
| SiO2 % ≤ | 45 | 43 | 36 | 36 | 29 | |