Products
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info@dfl-minmet-refractories.com
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Fire mullite insulating bricks serve a wide range of heat-intensive industries worldwide. These products are used in various industrial kilns and furnaces and as lining in hearth and heating appliances. For example: Aluminium Industry, cement,paper, pulp, lime, iron and steel, glass, and ceramic industries, as well as incineration and power plants.
|
Main Properties |
JM-23 |
JM-26 |
JM-28 |
JM-30 |
JM-32 |
|
ISO 2245 Classification |
125-0.5-L |
140-0.8-L |
150-0.9-L |
160-1.0-L |
170-1.2-L |
|
Classification Temperature(CT) ℃ |
1260 |
1430 |
1540 |
1650 |
1760 |
|
Bulk Density kg/m3 |
480 |
780 |
880 |
1020 |
1250 |
|
Modulus Of Rupture MPa |
0.9 |
1.4 |
1.6 |
2 |
2.1 |
|
Reheating Linear Change(CT-30℃)Msx. % |
1.1 |
1.6 |
2.1 |
2.5 |
3.5 |
|
Reheating Linear Thermal Expansion Max. % |
0.8 |
0.6 |
0.9 |
0.9 |
0.9 |
|
Creep Transmogrification After 90min Max. % |
0.2 |
|
|
|
|
|
|
0.3 |
0.1 |
|
|
|
|
|
|
0.3 |
0.1 |
|
|
|
Thermal Conductivity Rate At Mean Temperature Max. w/m.k |
0.14 |
0.27 |
0.32 |
0.41 |
0.49 |
|
0.16 |
0.29 |
0.34 |
0.43 |
0.5 |
|
|
0.18 |
0.31 |
0.36 |
0.44 |
0.51 |
|
|
0.2 |
0.33 |
0.38 |
0.45 |
0.53 |
|
|
|
0.35 |
0.41 |
0.47 |
0.56 |
|
|
|
|
|
|
0.6 |
|
|
Chemical Composition |
|
|
|
|
|
|
Al2O3% |
37 |
58 |
67 |
73 |
77 |
|
SiO2% |
45 |
39 |
31 |
25 |
21 |
|
Fe2O3 |
0.7 |
0.8 |
0.6 |
0.5 |
0.4 |
|
TiO2 |
1.2 |
0.3 |
0.7 |
0.5 |
0.4 |
|
CaO |
1.5 |
0.3 |
0.2 |
limited |
limited |
|
MgO |
0.3 |
0.1 |
0.1 |
limited |
0.1 |
|
Na2O+K2O |
1.1 |
1.7 |
0.9 |
0.9 |
0.9 |
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