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Alumina Furnace Tubes
US$ 1 - 20
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Product Details
| Place of Origin | Shanghai, China | Type | Ceramic Tubes | |
| Model Number | BC-161 | Brand Name | Bochuan |
Product Description
Specifications
Alumina Furnace Tubes1.Material: 85 - 99.5% alumina ceramic
2.Purpose:used in various furnace
3.Max Length 2500mm
Alumina Furnace Tubes
Bochuan company specilize in producing various alumina ceramic tubes with different shapes.These tubes can be used as furnace tubes,thermocouple tubes or insulating tubes.We have many stocks in our warehouse.And we can
also accept customised items.
Please see the blew information:
| Material | 85 Al2o3 | 90 Al2o3 | 95 Al2o3 | 99 Al2o3 |
| Al2o3 | 85% | 90% | 93% | 99.30% |
| Fe2o3 | ≤ 1.0 | ≤ 0.5 | ≤ 0.5 | ≤ 0.3 |
| Desnsity: g / cm3 | 3.4 | 3.5 | 3.6 | 3.85 |
| Vickers Hardness | ≥ 8.6 | ≥ 8.8 | 9 | 9 |
| Water Absorption:% | ≤ 0.2 | ≤ 0.1 | ≤ 0.085 | ≤ 0.01 |
| Refractoriness:°C | 1580 °C | 1600 °C | 1650 °C | 1800°C |
| Flexural Strength:Mpa | 180 | 200 | 240 | 280 |
| Wear Rate( at room temperature, erosion, 100 grinding)% | ≤ 3 | ≤ 2.5 | ≤ 1 | ≤ 0.5 |
| 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 | ||
| 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 |
Contact Us
- Shanghai Bochuan Silicon Carbon Rod Manufacturing Co., Ltd.
- Contact nameaimei zhu Chat Now
- Phone86-21-53082678
- AddressRm. 1A35, No. 666
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