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1. Brief Introduction:
Due to various excellent performance of the alumina ceramics under wide range of industrical or labority conditions,the alumina 99 % al2o3 protection ceramic tube / alumina tube with one end closed are mainly used in the area of thermal processes, protecting tubes, insulating tubes, furnace tubes, radiant tubes, support tubes for electric heaters, beams,profiles, incineration aids and special fabrications.
2. Performance of alumina tube
Main Technical Index:
Product Name | Alumina 99 % al2o3 protection ceramic tube / alumina tube with one end closed for thermocouple sensor | |||||
Index | Unit | 85 % Al2O3 | 95 % Al2O3 | 99 % Al2O3 | 99.5 % Al2O3 | |
Density | g/cm3 | 3.3 | 3.65 | 3.8 | 3.9 | |
Water Absorption | % | <0.1 | <0.1 | 0 | 0 | |
Sintered Temperature | ℃ | 1620 | 1650 | 1800 | 1800 | |
Hardness | Mohs | 7 | 9 | 9 | 9 | |
Bending Strength(20℃)) | Mpa | 200 | 300 | 340 | 360 | |
Compressive Strength | Kgf/cm2 | 10000 | 25000 | 30000 | 30000 | |
Long Time Working Temperature | ℃ | 1350 | 1400 | 1600 | 1650 | |
Max. Working Temperature | ℃ | 1450 | 1600 | 1800 | 1800 | |
Volume Resistivity | 20℃ | Ω. cm3 | >1013 | >1013 | >1013 | >1013 |
100℃ | 1012-1013 | 1012-1013 | 1012-1013 | 1012-1013 | ||
300℃ | >109 | >1010 | >1012 | >1012 |
Advantages of the alumina 99 % al2o3 protection ceramic tube / alumina tube with one end closed
1. Good smooth and high strength.
2. Extreme hardness, good protection from abrasion and corrosion.
3. High temperature resistance up to 1800℃
4. High dielectric properties.
5.Optimum air tightness
3. Product Categories
Alumina 99 % al2o3 protection ceramic tube / alumina tube with one end closed for thermocouples usually to be made as: Protection Tubes ( Tubes with one end open and one end closed); Insulation Tubes ( Tubes with one pore, two pores and four pores); Through Tubes( Tubes with both ends open). Please see details as follows:
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4. Plenty of alumina tubes in warehouse for your choice
For alumina 99 % al2o3 protection ceramic tube / alumina tube with one end closed, we will supply Strong, Safe, Durable, Compact and Environmental Packing for long-time transportation by sea, plane or truck and so on.
Zibo Supereal Industrial Co., Ltd, located in Zhangdian Economic Development Zone in Zibo city is focusing on high alumina ceramic products, here you can realize an one-stop shopping for complete wear and erosion protection solutions in wide range of industries including Power Sector, Mining, Cement, Metallurgy, Coal Washing, Steel& Iron Plant, Railway, Port and so on.
Along with the business development and the strong support of factory, we have just introduced and added alumina 99 % al2o3 protection ceramic tube / alumina tube with one end closed as our major sales products too.
Our company has a rigorous quality control system to guarantee stable performance and proven quality, our professional inspection team will carry out full course tracking from raw material selection, batching, production process management to semi and finished products test. Based on the strict adherence to ISO9001-2008 or Industry Standard or other International Standard, our products have been approved and accepted by clients and users from Vietnam, South Korea, India, Russia, Italy, Poland, USA and etc.
Besides the superior quality, Zibo Supereal Industrial Co., Ltd also earned a good reputation for fast deliveries, competitive pricing and outstanding customer service.
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◊ Professional: More than ten years of experience in production, more than 5 years of experience in foreign trade export, we will supply prompt technical support on pre- and after sales.
◊ High Quality:Based on the strict adherence to ISO9001-2008 or Industry Standard or other International Standard, our inspection engineers carry out full course tracking in the whole production.
◊ Focus on Details: No matter how small questions or problems shall be replied and help to solve by our members, even for the small orders.
◊ Price &Discount: We can provide competitive price and discount for large quantity.
◊ OEM : Customized designs, sizes and logos are acceptable.