Dongguan Ming Rui Ceramic Technology Co.,ltd
Dongguan Ming Rui Ceramic Technology Co., Ltd
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High Precision Insulation Alumina Ceramic Pipe Internal Thread Tubes
Specifications of High Insulation Alumina Ceramic Pipe Internal Thread Tubes
1. With smooth surface
2. Long working life
3. High quality with competitive price
4. Fast delivery time
Type: Pigtails, slit guide, hook guide, traverse guide etc
Color: white, yellow, milk white, pink, black, green, etc
Raw material: zirconia, alumina,
Size can be depend on your drawings
Features of High Insulation Alumina Ceramic Pipe Internal Thread Tubes
1. The inside surface Polish degree: Ra0.2~0.8.
2. The material: 99% AI2O3 with density of 3.85.
3. The hardness: HRa88.
4. Material:
a) 95% Al2O3
b) 99.5% Al2O3
c) TiO2
d) 3Y-ZrO2
5. Other materials available upon request
6. Tolerance: according DIN 7168 -1 ( m)
7. Surface roughness: Ra 0.2- 1.0μm
8. Vickers hardness: 1,8002,000
Application of High Insulation Alumina Ceramic Pipe Internal Thread Tubes
1. Through pipe:
Inner liner tube and heating tube in electric furnace, heat treatment furnace and toughened furnace, chlorine pipe for production of alchlor and electric heating pipe in the tin trough in the production line of float glass.
2. Protector pipe:
Protector tube of thermocouple and thermometer, carbon determinator and combustion pipe of metallurgy, iron and steel, chemical analysis.
3.Insulation pipe
Interval and insulation for wires of thermocouple. For specifications, there are single hole, double holes, four holes and multi-holes. For form, there are round and oval pipes.
Our products are famous of our high quality and performance, with our more than 4 years manufacturering experince, we have great advantage in tenology and cost.
Due to our seriously / professional service, quick response and fast delivery, we are confident in help your business.
| Properties | Units | 95 Alumina | 99 Alumina | ZrO2 |
| Density | g / cm³ | 3.65 | 3.92 | 5.95-6.0g/cm³ |
| Water absorption | % | 0 | 0 | 0 |
| Coefficient of thermal expansion | 10-6/K | 7.9 | 8.5 | 10.5 |
| Modulus of Elasticity Young's Mod | GPa | 280 | 340 | 210 |
| Poisson's ratio | / | 0.21 | 0.22 | 0.3 |
| HV Hardness HV | MPa | 1400 | 1650 | 1300-1365 |
| Flexural Strength @ room temperature | MPa | 280 | 310 | 950 |
| Flexural Strength @700°C | MPa | 220 | 230 | 210 |
| Compressive Strength @ room temperature | MPa | 2000 | 2200 | 2000 |
| Fracture Toughness | MPa *m 1/2 | 3.8 | 4.2 | 10 |
| Heat conductivity @ room temperature | W/ m*k | 18-25 | 26-30 | 2-2.2 |
| Electrical Resistivity @ room temperature | Ω*mm2 /m | >1015 | >1016 | >1015 |
| Max use temperature | °C | 1500 | 1750 | 1050 |
| Resistance to acid alkaline | / | high | high | high |
| Dielectric Constant | / | 9.5 | 9.8 | 26 |
| Dielectric Strength | KV/mm | 16 | 22 | / |
| Thermol Shock Resistance | △ T ( °C ) | 220 | 180-200 | 280-350 |
| Tensile Strength @ 25 °C | MPa | 200 | 248 | 252 |
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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