Advance Technical Ceramic Wear Resistant Al2O3 Alumina Ceramic Tube
Description:
Alumina ceramic tube has the advantages of super hardness, high
wear-resisting,good corrosion resistance and electric
insulation,resistant acid-base,high intensity,thermostable,high
temperature tolerance,good insulation,high strength,precision
process,high mechanical strength,good chemical stability.
Technical Parameters:
| Test item/Unit | Numerical Value | Test item/Unit | Numerical |
| Product Material | Alumina | Zirconia | Product Material | Alumina | Zirconia |
| Component Content % | ≥99% | ≥95% | ≥90% | Volume Resistance MM | >1012 | >1012 | >1012 |
|
| Sintering Temp ℃ | 1780-1800 | 1650-1680 | 1550-2600 | Bending Strength Mpa | 400 | 320 | 1100 |
|
| Specific Gravity g/cm3 | ≥3.8 | ≥3.6 | >6 | Thermal Expansion Coefficient'10' | 6.8-8.0 | 6.2-8.5 | 6.9-10 |
|
Breakdown Voltage
Strength kv/mm | 15 | 15 | 15 | Roughness um | ≤0.8 | ≤0.8 | ≤0.8 |
|
| Bibulous Rate% | <0.01 | <0.01 | <0.01 | Mirror Polished Ra | ≤0.05 | ≤0.1 | ≤0.05 |
| Anti Pressure Mpa | 3700Mpa | 2400Mpa | 5000Mpa | Thermal Conductivity W/m.k | 25 | 20 | 25 |
|
| Hardness Hra | ≥88 | ≥82 | ≥88 | Temperature Resistance ℃ | 1700 | 1600 | 1800 |
Advantages:
1. High purity: Al2O3>99%, good chemical corrosion resistance
2. good temperature resistance, long-term use at 1600ºC, short-term
1800ºC
3. good resistance to heat and cold, not easy to crack
4. grouting molding high density high purity alumina crucible
5. The color is white or beige
Application:
Mainly used in thermalcouple temperature, liquid steel continous
temperature, various industrial furnace of alumina ceramic tube.
Especially widely used in petrochemical, spinning, electric,
instrumentation, mechanical workout, military project etc industry
of alumina ceramic tube.
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Packaging:
