| Customization: | Available |
|---|---|
| Surface Treatment: | Brushed |
| Refractoriness (℃): | 1580< Refractoriness< 1770 |
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Aluminium Oxide Ceramic Tube 99% Al2O3 for High Refractoriness Applications
Performance For Industrial Ceramic
|
Al2O3 Content(%) |
70-75 |
85 |
95 |
99.7 |
|
Density (g/cm3) |
3.0 |
3.4 |
3.7 |
3.9 |
|
Bending Strength (Mpa) |
85N/MM2 |
300 |
364 |
450 |
|
The coefficient of thermal expansion(200ºC-800ºC) |
6 |
7 |
7.6 |
8 |
|
Thermal Conductivity(W/(m.R)) |
17 |
18 |
20 |
35 |
|
Dielectric Strength (kv/mm) |
9 |
10 |
11 |
12 |
|
Working Temperature(long time use)(ºC) |
1300 |
1400 |
1600 |
1750 |
|
Water Absorption(%) |
5 |
<0.2 |
<0.25 |
<0.1-0.2 |
Specifications:
| Dimension | Outer dia. mm | Inner dia.mm | Length mm | Remark | |
| Item | |||||
| Thermocouple protection tube | 7-120 | 1-110 | 10-2000 |
If you need others,we can customize for you. |
|
| Insulated tube | Single hole | 2-120 | 1-110 | 10-2000 | |
| (inner core) | Double holes | 1-10 | 0.4-2 | 10-2000 | |
| Four holes | 2-10 | 0.5-2 | 10-2000 | ||
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