Dongguan Mingrui Ceramic Technology Co.,Ltd
Model No.: MRT-518
Max Working Temp.: 850 ℃ (zirconia), 1700℃ (alumina)
Feature: High Tempperature Resistance
Color: White, Ivory Or OEM
Material: Zirconia And Alumina Ceramic
Usage: Industrial Ceramic Tube
Packaging: Packed in a bubble bag individually, then separated by a foam, finally put in standard export carton packing, or OEM packing.
Productivity: 10000 pieces/month
Place of Origin: Dongguan
Supply Ability: 1000000 pieces/ year
Certificate: ISO 9001-2015
Custom Al2O3 Ceramic Thermocouple Protection Alumina Tube
Advantage of Custom Al2O3 Ceramic Thermocouple Protection Alumina Tubes
1. High purity, 99.7% alumina purity make sure high working temperature.
2. Tight tolerance, we can grind OD to make tight tolerance for easy insulation.
3. Fast delivery, we have large quantity tubes in stock.
4. Inspection: each single tube will be checked before shipping.
5. Low transportation cost. We have long time cooperated shipping agency, which can provide very low prices.
Application of Custom Al2O3 Ceramic Thermocouple Protection Alumina Tubes
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.
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.
Features of Custom Al2O3 Ceramic Thermocouple Protection Alumina Tubes
1. High temperature resistant
2. Various sizes available
3. Good quality
4. Competitive prices
5. Small tolorence: +-0.001mm
6. Exact delivery time
7. Professional service and Packing
The products are made of zirconia ceramic and alumina ceramic material, which have advanced and excellent performances.
| Properties || Units || 95 Alumina || 99 Alumina || ZrO2 |
| Density || g / cm³ || 3.65 ||3.9||5.95-6.05|
| 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||0.23||0.3|
|HV Hardness|| MPa ||1400||1700||1300-1365|
| Flexural Strength @ room temperature || MPa ||280||320||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||4.3||10|
| Heat conductivity @ room temperature || W/ m*k ||18-25|| 26-30 ||2-2.2|
| Electrical Resistivity @ room temperature || Ω*mm2 /m || 10^15 || 10^16 || 10^15 |
| Max use temperature || °C ||1850||2200||1500|
| Resistance to acid alkaline || / || high || high || high |
| Dielectric Constant || / ||9.5||9.8||26|
| Dielectric Strength || KV/mm ||10||10||10|
| Thermol Shock Resistance || △ T ( °C ) ||220||190||280-350|
| Tensile Strength @ 25 °C || MPa ||200||248||260|
| Thermal Conductivity(25℃) || W/m·K ||30||35||3|
Advantages of Zirconia ceramic insulation tubes:
2. Self Lubricating.
3. Long Service Life.
4. Good Polished Surface.
5. Environmental and Healthy.
6. Superior Mechanical Strength.
7. High Corrosion and Wear Resistance.
8. Good Insulation Performance Precision.
9. High Temperature and Pressure Resistance.
10. High Purity Zirconia and Alumina Ceramic Material.
Detailed Images of Ceramic Shaft sleeves:
We carry out one-stop production, from the raw material (powder) to final products, control the quality strickly of every production
Packaging and Shipping:
High wear resistant zro2 ceramic tubes will be packed in a bubble bag individually, then separated by a foam,
finally put in standard export carton packing, or OEM packing.
Shipped by Express ( DHL, TNT, UPS, FedEx, EMS ), Air, or Sea transportation.
Mingrui is a leading manufacturer of industrial ceramic parts in China, who has professional OEM
experience for so many years. And very advanced technologies in the production of Zirconia Ceramic Rod
Electronics Accessories, etc..
They are applicable to Electrical, Appliance, Mining, Oil & Gas, Energy & Power, Food & Medical,
Agriculture, Aerospace, even other high-end fields.
We can custom the ceramic products according to your drawings, such as size, shape, color and thickness etc..
Our products with some certificates, such as SGS, CE, TUV, etc..
We have almost all the precision processing machines of ceramic products.