Large Size High Alumina Raw Material Alumina Ceramic Tube Pipe
Ceramic alumina tube widely used in the high corrosive and high-temperature environment like thermal power.
1.) Kiln furniture
2.) Furnace work tubes
3.) Vacuum furnace parts
4.) Electrical insulators
5.) Heating element supports
6.) Temperature measurement
We can supply the products according to customer's drawings , dimension and performance requirement.
Features of Ceramic Tube :
1. Light Weight
2. High Hardness
3. Wide scope of application
4. Extremely abrasive resistance performance
Ceramic Tube Performance :
Physical properties: high insulation resistance, breakdown, high temperature resistance, abrasion resistance, high strength (three meters altitude fall not broken)
Fire rating: USA military standard MIL-F-51058 (the highest level)
Typical application: strong current, voltage, strong high temperature parts, IC MOS, IGBT power tube heat pipe insulation
Certification: natural organic matter, the European Union, exempt products without certification materials
Thermal conductivity: high temperature: 1600 degrees below the ideal heat insulating material of high voltage and high frequency equipment
Ceramic Tube Application :
1. Large power equipment
2. IC MOS tube, IGBT chip heat conducting insulation,
3. high frequency power supply, communication,mechanical equipment,
4. strong current, high voltage, high temperature and other thermal heat insulation parts need products.
Porous Ceramic Property :
| Properties Table |
| Test Item / Unit |
Numerical Value |
Test Item / Unit |
Numerical Value |
| Product Material |
Alumina |
Zirconia |
Product Material |
Alumina |
Zirconia |
| Component Content(%) |
≥99% |
≥95% |
≥90% |
Volume Resistance(cm) |
>1012 |
>1012 |
>1012 |
| Sintering Temp(ºC) |
1780-1800 |
1650-1680 |
1550-2600 |
Bending Strength(Mpa) |
400 |
320 |
1100 |
| Specific Gravity(g/cm3) |
≥3.8 |
≥3.6 |
≥6 |
Roughness(μm) |
≤0.8 |
≤0.8 |
≤0.8 |
| Breakdown Voltage Strength(kv/mm) |
15 |
15 |
15 |
Thermal Expansion Coefficient(*10°) |
6.8-8 |
6.2-8.5 |
6.9-10 |
| Bibulous Rate(%) |
<0.01 |
<0.01 |
<0.01 |
Mirror Polished(Ra) |
≤0.05 |
≤0.1 |
≤0.05 |
| Anti Pressure(Mpa) |
3700 |
2400 |
5000 |
Thermal Conductivity(W/m-k) |
25 |
20 |
2.5 |
| Hardness(Hra) |
≥88 |
≥82 |
≥88 |
Temperature Resistance(ºC) |
1700 |
1600 |
1800 |
Contact Information :
We can make many specifications according to your requests.
Free samples are available , for more information , pls kindly let me .
Mob : +86 18270827737
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