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Alumina lightweight brick
JIN GANG™ Mullite lightweight Brick is made of mullite and other fine raw refractory materials with tecniques.It is a kind of new popular energy-saving material widely used in metallurgy, ceramics,glass and chemical industry as high temperature liner , such as in pyrolyzers, chemical industry furnace , heating furnace, electric resistance , roller kiln , tunnel kiln and shuttle kiln.
Product Speciality
Stable thermal shock resistance
Low thermal conductivity
High compressive strength
Mullite lightweight brick characteristics
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项目 Item |
型号Types |
|
JGQ23 |
JGQ26 |
JGQ28 |
|
体积密度（g/cm3）Bulk density |
0.6 |
|
|
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重烧线变化（%）
Reheating linear difference |
≤1.0
(1230℃×24h) |
≤1.0
(1400℃×24h) |
≤1.0
(1510℃×24h) |
|
耐压强度（Mpa）
Compressive Strength |
≥1.2 |
≥2 |
≥3.2 |
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热膨胀系数-1000℃，（×10-6/℃）
Thermal expansion -1000℃ |
≤0.5 |
≤0.5 |
≤0.6 |
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导热系数（W/m.k）
Thermal conductivity coefficient |
≤0.2 |
≤0.25 |
≤0.35 |
|
最高使用温度（℃）Working Temp |
1230 |
1400 |
1500 |
|
化学成分
Composition |
Al2O3（%） |
≥40 |
≥55 |
≥65 |
|
SiO2（%） |
— |
— |
— |
|
Fe2O3（%） |
≤1 |
≤1 |
≤0.7 |
Note：We can process all kinds of deformed bricks according to the ordering size from customers. |
