Material: | Alumina, 99% Al2O3 |
---|---|
Temperature: | High Temperature Resist |
Usage: | Industry |
Transport Package: | Standard Export Wooden Cases |
Specification: | SGS |
Trademark: | can be customized, also we can do OEM or ODM |
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Index for 99% corundum ceramic tube: | |
Twisting strength | 3160 kg/cm2 |
Tensile strength | 23300 kg/ cm2 |
Bending stength | 2520 kg/ cm2 |
Hardness | 9 |
Vol.density | >3.8 g/ cm3 |
Coefficient of linear expansion | (room temperature-800°C) 7.75*10-6 /°C |
Thermal stability | 1300°C-room temperature no rupture for three times(above 50) |
1000°C-room temperature no rupture for three times(abov 50) | |
Puncture voltage | (room temperature)>10KV/mm |
Vol.resistance | (room temperature)>>1014 Ω. Cm |
Longtime applying temperature | 1600°C |
Short time applying temperature | 1800°C |
AL2O3 | ≥99% |
Refractoriness | 2030°C |
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 |
Feature | Application | Main usage |
1.Great mechanical strength | Electric appliance industry Automotive industry | 1.Heat treatment furnace and toughened furnace |
2.High softening temperature | ||
3.Good resistance to thermal impact | ||
4.Small thermal expansion coefficient | Mechanical industry Engineer industry | 2.Inner liner tube and heating tube in electric furnace |
5.Good chill and abrupt heat properties | ||
6. Resistance to acid and alkali corrosion |
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