Detailed Product Description
The picture shows above is insulating brick JM 23. size: 230x114x65mm.
Double Egret is the specialized manufacturer and exporter of refracotry and insulation material in north of China. Our products mainly include insulating brick, refractory brick, refractory castable, ceramic fiber products. For insulating brick, the production capacity is 300tons per month, primarily export to UK, USA, ITALY, JAPAN etc.
JM insulating brick, using high pure mullite as raw material, is made by adding alumina powder according to different type and then sintering in high temperature. JM insulating brick is the new energy saving material for insulation.
CHARACTERISTIC:
Low density
High purity
Low thermal conductivity
Excellent thermal shock resistance
APPLICATION:
glass industries iron & steel industries
ceramics industries non-ferrous metals industries
electrolytic Aluminum industries power generation industries
Heat surface fireproof lining other fire-proof back lining
TECH DATA
Item | JM-23 | JM -26 | JM -28 | JM -30 | JM -32 | |
Classification temperature(oC) | 1260 | 1430 | 1540 | 1650 | 1760 | |
Bulk density (g/cm3) | 0.6 | 0.8 | 0.9 | 1 | 1.25 | |
Crushing strength Mpa | 1.2 | 1.6 | 2.1 | 2.5 | 3.5 | |
Modulus of rupture Mpa | 0.9 | 1.4 | 1.6 | 2.1 | 2.1 | |
Permanent linear change (CT-30oCX24h)% | 0.5 | 0.4 | 0.5 | 0.9 | 0.9 | |
Reversible thermal expansion at 1100oC | 0.5 | 0.7 | 0.8 | 0.9 | 1.1 | |
Thermal shock resistance(cycles)1100oC Water cooling | 30 | 30 | 30 | 30 | 30 | |
Thermal conductivity (W/m.k) | 400oC | 0.14 | 0.27 | 0.32 | 0.41 | 0.49 |
600oC | 0.16 | 0.29 | 0.34 | 0.43 | 0.5 | |
800oC | 0.18 | 0.31 | 0.36 | 0.44 | 0.51 | |
1000oC | 0.2 | 0.33 | 0.38 | 0.45 | 0.53 | |
1200oC | - | 0.35 | 0.41 | 0.47 | 0.56 | |
Chemical Analysis (%) | Al2O3 | 37 | 58 | 67 | 73 | 77 |
Fe2O3 | 0.7 | 0.7 | 0.6 | 0.5 | 0.4 | |
