High Temperature Resistant 99 Alumina Ceramic Tube
Product Details
| Customization: | Available |
|---|---|
| Maximum Voltage: | <10kv |
| Color: | Ivory and White |
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Basic Info.
- Model NO.
- RY003
- Refractoriness (℃)
- 1770< Refractoriness< 2000
- Feature
- Long Time Materials
- Type
- Refractory Material
- Shape
- Tube
- Material
- Alumina Cement
- Transport Package
- Wooden Case
- Specification
- 99% Alumina
- Trademark
- RY
- Origin
- China
- HS Code
- 8547100000
- Production Capacity
- 100000 Per Month
Product Description
High Temperature Resistant 99 Alumina Ceramic Tubes
High purity ceramic alumina tube parameters:
1.Material : High purity alumina oxide 95%-99%
2.Application:
4. Diameter from 1mm to 120mm,Length from 100mm to 2000mm,
multi bores tubes can be made.
5. Max working temperature 1800.
6. Out surface can be grinded drilling hole to make tight tolerance and right instillation.
7.Large quantity in stock makes fast delivery and competitive prices.
8.OEM and ODM are welcomed
Main performance index about alumina ceramic tube:
High purity ceramic alumina tube parameters:
1.Material : High purity alumina oxide 95%-99%
2.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.
3.Good smooth and high strength4. Diameter from 1mm to 120mm,Length from 100mm to 2000mm,
multi bores tubes can be made.
5. Max working temperature 1800.
6. Out surface can be grinded drilling hole to make tight tolerance and right instillation.
7.Large quantity in stock makes fast delivery and competitive prices.
8.OEM and ODM are welcomed
Main performance index about alumina ceramic tube:
| Project | Test the condition | Unit | 99 porcelain | 95 porcelain | Talc porcelain | |
| Backbone | 99%AL2O3 | 95%AL2O3 | MgO.SiO2 | |||
| Physical property | Density of volume | Normal atmospheric temperature | g/cm3 | 3.8 | 3.6 | 2.8 |
| Airtight | Normal atmospheric temperature | . | .Pass | Pass | - | |
| Absorbing water rate | Normal atmospheric temperature | % | 0 | 0 | 0 | |
| Temperature that frit | °C | 1800 | 1650 | 1350 | ||
| Mechanical performance | Rockwell hardness | Normal atmospheric temperature | HRA | 88 | 86 | 76 |
| Resist the intensity of turning back | Normal atmospheric temperature | Mpa | 350 | 320 | 150 | |
| Compression strength | Normal atmospheric temperature | Mpa | 1300 | 1200 | 900 | |
| Hot performance | Use temperature at most | °C | 1700 | 1600 | 1200 | |
| Heat resistant shaking | 20O°C-1100O°C | 10Num | Pass | Pass | Pass | |
| Hot coefficient of expansion | 20O°C-80O°C | ×10-6mm/°C | 6.5-8.5 | 6.5-8.0 | 5.0-6.2 | |
| Heat-conduction rate | 25°C | W/m.k | 29 | 25 | 2.9 | |
| 300°C | W/m.k | 18 | 13 | 2 | ||
| Dielectric constant | The medium lossing | 1MHz2O°C | ×10-4 | ≤2.5 | ≤4 | ≤8.0 |
| The angle tangent is worth | 1MHz8O°C | ×10-4 | ≤3.5 | ≤4.2 | - | |
| Dielectric strength | Normal atmospheric temperature | KV/mm | 15 | 16 | 20 | |
| Dielectric constant | 1MHz2O°C | 9-10.5 | 9-10 | ≤7.5 | ||
| Resistivity of volume | 2O°C | Ω.cm | >1012 | >1012 | >1013 | |
| 10O°C | Ω.cm | 1012-1013 | 1012-1013 | 1010-1011 | ||
| 30O°C | Ω.cm | >1012 | 3.1×109 | 5×108 | ||
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