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95% 99% High alumina corundum insulator / ceramic insulation tube for copper wires

1. Brief Introduction:
Due to various excellent performance of the alumina ceramics under wide range of industrical or labority conditions, 95% 99% High alumina corundum insulator / ceramic insulation tube for copper wires is mainly used in the area of thermal processes, insulating tubes, furnace tubes, radiant tubes, support tubes for electric heaters, beams,profiles, incineration aids and special fabrications.

2. Performance of 95% 99% High alumina corundum insulator / ceramic insulation tube :
Main Tecnical Index:
| Product Name | 95% 99% High alumina corundum insulator / ceramic insulation tube for copper wires | |||||
| 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 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 95% 99% High alumina corundum insulator / ceramic insulation tube for copper wires :
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
95% 99% High alumina corundum insulator / ceramic insulation tube for copper wires usually to be made as Insulation Tubes ( Tubes with one pore, two pores and four pores); Other Alumina ceramic tubes are Protection Tubes ( Tubes with one end open and one end closed) ; Through Tubes( Tubes with both ends open). Please see details as follows:


Zibo Supereal Industrial Ceramic 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 high temperature resistant alumina ceramic rollers and alumina protection tubes 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.

◊ 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.

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