Loading Port:China Main Port
Payment Terms:TT OR LC
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The raw material is crude highquality highalumin low ferrous content material. The unique polylight spheres producing technique is adopted. The main structure of this high-quality heat insulation refractory brick is mullite crystal phase. The characteristics of this product are:
High compression strength
Good high-temperature performance
Excellent thermal shock stability
Low thermal conductivity
Outstanding penetration resistance ability
Erosion resistance
Application:
It may be widely used as the lining and the heat insulation layer of industrial kilns in the fields of metallurgy, petrochemistry, machinery, power, ceramics, etc... It is an ideal product of long service life, energy-saving and effects-enhancing product.
| Brand
Item |
JM-23 |
JM-26 |
JM-28 |
JM-30 |
Al2O3(%)min | 37 | 50 | 60 | 68 |
Fe2O3(%)max | 1.0 | 1.0 | 0.7 | 0.5 |
SiO2(%)max | 45 | 43 | 36 | 29 |
Safty Application Temp.(°C)max | 1260 | 1430 | 1540 | 1650 |
Bulk Density(g/cm3) | 0.5 | 0.8 | 0.95 | 1.05 |
Bending strength(Mpa)min | 0.7 | 1.1 | 1.6 | 2.0 |
Crush strength(Mpa)min | 1.0 | 2.0 | 2.3 | 2.7 |
RLC(%)max | 1230°C×24h 0.3 | 1400°C×24h 0.4 | 1510°C×24h 0.5 | 1600°C×24h 0.6 |
Reversible thermal expansion at1090°C(%) max |
0.5 |
0.6 |
0.8 |
0.8 |
Thermal conductivity (w/m.k)max 400°C 600°C 800°C 1000°C |
0.15 0.17 0.19 0.24 |
0.28 0.31 0.33 0.35 |
0.33 0.36 0.39 0.42 |
0.41 0.43 0.45 0.48 |
