High Wear Resistant 99% Al2o3 Alumina Ceramic Heater Tube For Polishing
We manufacture & supply advanced technical ceramic tubes custom machined to your specific design. Ceramic tubes are finding their way into more and more application due to their highly desirable mechanical, thermal, and electrical properties. Ceramic tubes can be used in extreme environments unlike many other materials. Precision Ceramics has a wide assortment of tube sizes available; depending upon the material, we can machine tubes with incredibly tight tolerances. Additionally, Precision Ceramics has standard size Alumina Tubes available in a variety of sizes and purities. Other materials may be available in custom dimensions and specifications. We are happy to offer material design & application assistance for any special requirements.
Ceramic Tube Applications
• Furnace work tubes
• Kiln furniture, components & accessories
• Thermocouple protection tubes
• Heater Support Elements
• High Temperature Electrical Insulators
• Extreme temperature measurement components
• Ceramic Laser components
• High voltage electrical insulators
Performance:
| Alumina Content | Unit | 90-96% | > 99.5% | 99% |
| General Application | | High Strength, Wear Resistant, Electronic, Insulating, Mechanical, Structural & Metalizing | Extremely High Purity, Temperature & Strength; Excellent Corrosion & Wear Resistance | Porous, Easily Degassed & Machinable |
| Porosity | % | 0-.05 | 0-.05 | Variable |
| Density | gm/cm3 | 3.55-3.75 | 3.75-3.95 | 2.4 |
| Flexural Strength | kpsi | 40.0-50.0 | 50.0-55.0 | - |
| Comprehensive Strength | kpsi | > 300.0 | > 300.0 | - |
| Tensile Strength | kpsi | 20.0-28.0 | 20.0-28.0 | - |
| Linear Coefficient of Thermal Expansion | (cm/cm/°C) 25-300°C 25-700°C | 6.3X10-6 7.0X10-6 | 6.5X10-6 7.5X10-6 | 6.5X10-67.5X10-6 |
| Dielecctric Constant at 25°C | 1 MH 10 MH | 9.2-9.8 9.0-9.6 | 9.5-9.9 9.3-9.7 | - |
| Dielectric Strength | Volt/mil | 225 | 225 | - |
| Te Value | °F °C | > 1832 > 1000 | > 1832 > 1000 | > 1832 > 1000 |
| Thermal Conductivity at 25°C | cal/sec/cm2/cm/°C | .04-.06 | .07-.08 | - |
| Safe Use Temperature | °F °C | 3000-3100 1650-1700 | 3275 1800 | 3275 1800 |
Available Sizes
- ID: 4mm-18mm
- OD: 6mm-24mm
- Length: 500mm or less
Available Types
- Single bore
- Double bore
- Closed & open ended
- Extruded
- Cast
■PRECISION MACHINED PRODUCTS
* Surface roughness depends on the material. The data shown hear indicates where alumina is used.
Company Introduction:
Dongguan Ming Rui Ceramic Technology Co., LTD., a professional manufacturer of machined ceramic parts, has 10 senior engineers and lots of technicians. We produce strengthened structure zirconia ceramic bar, ceramic tube, ceramic shaft, ceramic plate, ceramic sleeve, ceramic valve, ceramic plunger and ceramic arm. The products are applicable to instruments, medical instruments, clocks and electronic products, mills, energy and power, machine and metals, autocar and military and some other high-end areas.
In cooperation with Tsinghua University, we've achieved great successes in particular requirements. With our professional knowledge and business experience in machined ceramic parts, low-budget and high-performance new ceramic products are made of high–quality raw materials. The value of our ceramic products is greatly increased due to the composite technology and precise processing.
Our high efficiency machined ceramic parts, perfect service and good reputation roots in our professional machined ceramic technology, continuous innovation, great sincerity and our pursuit for sustainable development. We have a unique technnology called “mirror polishing” that has improved the brightness, color, smoothness of our ceramic parts.
1. What kind of industry ceramics do you have ?
We specialized in 95% 97% 99% alumina ceramic and zirconia ceramic parts .
2.Can you produce free samples for me ?
Yes usually , we can produce free samples for you but it is up to the product complexity .
3.What terms can you accept for payment ?
T/T, L/C , Western union , Money Gram and Paypal is welcome , but paypal and western union only for small -sum payment.
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