You can rest assured to buy Nextgen Mullite Ceramic Heating Protection Tube from our factory. Mullite heating protection tube, made of silicate ceramic mullite, is a refractory oxide material showing low thermal expansion, good mechanical strength, and resilience at elevated high temperatures. Nextgen Advanced Materials supplies Mullite heating protection tubes with high quality and fast delivery, and customized products are also available.
As the professional manufacture, we would like to provide you Nextgen Mullite Ceramic Heating Protection Tube. And we will offer you the best after-sale service and timely delivery. Mullite heating protection tube is made of silicate ceramic mullite. Mullite is a refractory oxide material combining low thermal expansion, good mechanical strength, and resilience at elevated high temperatures. Raw mullite materials are easily obtained and are reasonably priced. It is certainly one of the most important oxide materials for both conventional and advanced ceramics. Its workability allows an extensive range and flexibility in fabrication. It is well suited for the casting of special shapes and larger tubes.
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Chemistry Content |
Al2O3 |
SiO2 |
TiO2 |
Fe2O3 |
CaO·MgO |
K2ONa2O, etc. |
|
62.50% |
34.50% |
0.10% |
0.80% |
0.90% |
1.30% |
|
|
Mechanical |
Units of Measure |
SI/Metric |
(Imperial) |
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|
Density |
gm/cc (lb/ft3) |
2.8 |
-175 |
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|
Porosity |
% (%) |
0 |
0 |
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|
Color |
– |
off-white |
off-white |
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|
Flexural Strength |
MPa (lb/in2x103) |
180 |
-26 |
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|
Elastic Modulus |
GPa (lb/in2x106) |
151 |
-22 |
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|
Shear Modulus |
GPa (lb/in2x106) |
– |
– |
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|
Bulk Modulus |
GPa (lb/in2x106) |
– |
– |
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|
Compressive Strength |
MPa (lb/in2x103) |
1310 |
-190 |
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|
Hardness |
Kg/mm2 |
1070 |
– |
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|
Fracture Toughness KIC |
MPa•m1/2 |
2 |
– |
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|
Maximum Use Temperature |
°C (°F) |
1650 |
-3000 |
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|
(no load) |
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Thermal |
|
|
|
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Thermal Conductivity |
W/m•°K (BTU•in/ft2•hr•°F) |
6 |
-42 |
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|
Coefficient of Thermal Expansion |
10–6/°C (10–6/°F) |
5.4 |
-3 |
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|
Electrical |
|
|
|
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|
Dielectric Strength |
ac-kv/mm (volts/mil) |
9.8 |
-245 |
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|
Dielectric Constant |
@ 1 MHz |
5.8 |
5.8 |
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|
Dissipation Factor |
@ 1 kHz |
0.003 |
0.003 |
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|
Volume Resistivity |
ohm•cm |
>1013 |
>1013 |
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