Active Member
|
[China]
Address: NO 21st ChuangXing Road, Shangsha community , Changan Town, Dongguan city Guangdong province, China
Contact name:Admin deng
Dongguan Ming Rui Ceramic Technology Co.,ltd |
|
|
99% High Alumina Ceramic Tubes For Furnace Thermocouple Protection
1. High hardness.
2. High heat resistance : Alumina ceramic has excellent thermal stability,which means that it is
widely used in areas where resistance to high temperatures is essential.
3. Good wear resistance : Alumina ceramic is the material of choice for alumina wear parts.
4. High electrical resistivity : Alumina is an electrically insulating material.
5. High corrosion resistance : It is insoluble in water and only slightly soluble in strong acid and
alkaline solutions.
6 Good chemical stability of alumina leads to high corrosion resistance.
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 |
* Surface roughness depends on the material. The data shown hear indicates where alumina is used.
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.
More photos :
