MARSREF is a supplier of Mullite Insulating brick, also known as Insulating mullite refractory bricks. It is a lightweight refractory material with an Al2O3 content of more than 45% and mainly composed of mullite and glass phase or corundum phase. It has a bulk density of 0.4-1.35g/cm3, a porosity of 66%-73%, and a crushing strength of 1-8MPa.
Mullite Insulating Brick is mainly used in the insulation layer of various high-temperature industrial furnaces in the steel industry, cement industry, glass industry, petrochemical industry, electric power industry, etc.
Welcome to inquiry us about the price, size, technical data and any information you want to know about Mullite Insulating brick.
Performance Characters:
|
Item/Grade |
JM23 |
JM26 |
JM28 |
JM30 |
|
Al2O3； % |
40-48 |
48-58 |
58-68 |
68-75 |
|
Fe2O3; % |
≤1.5 |
≤1.0 |
≤0.8 |
≤0.5 |
|
Classification Temperature； ℃ |
1350 |
1450 |
1550 |
1600 |
|
Bulk density； g/cm3 |
0.6-1.0 |
0.6-1.0 |
0.8-1.0 |
0.8-1.0 |
|
Cold crushing strength； Mpa |
≥3 |
≥5 |
≥8 |
≥10 |
|
Permanent Linear Change On Reheating % |
1300℃X12h -1.5～+0.5 |
1400℃X12h -1.5～+0.5 |
1500℃X12h -1.5～+0.5 |
1550℃X12h -1.5～+0.5 |
|
Thermal conductivity； % |
The thermal conductivity varies according to the density of the product. Please consult our technicians for details. |
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