Dongguan Mingrui Ceramic Technology Co.,Ltd
Model No.: MR-331
Color: White, Or OEM
Size: 13mm 18mm 20mm Or Custom
HARDNESS: HRA 89
Application: For General Pump Repair Kits
Material: 99% Alumina Ceramic
Density: 3.0g/cm3 / >6.0g/cm3
Max Working Temperature: 1750℃ (Alumina), 1050℃ ( Zirconia)
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: Guangdong, China
Supply Ability: 1000000 pieces/ year
Certificate: ISO 9001-2015
HS Code: 8547100000
This product is made of zirconia, which is much harder than alumina. The thickness of this product is only 0.4mm, which is very thin and easily broken in the process. It has high temperature resistance, corrosion resistance, good insulation performance and long service life
|Product Name|| Zro2 Ceramic Insulator Ring |
|Color||White, Black , Blue , Yellow|
|OD||0.2mm - 200mm, And According to drawings|
|Length||5mm - 400mm, And According to drawings|
|Lead time:||15 days|
|Max. working temperature||1500 -2200 °C|
|Shipping:||Air Express (DHL/UPS/TNT/ FedEx) or Ocean Shipping|
The products are made of high purity zirconia ceramic and alumina ceramic material, which have
advanced and excellent performances, fabulously popular .
| 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 Al2o3 Ceramic Piston plunger pumps:
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.
One-stop production, from the raw material (powder) to final products, control the quality strickly of every production link.
Packaging and Shipping:
General piston plunger pumps 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 has professional OEM experience in manufacturing industrial ceramic parts for so many years. And
very advanced technologies in the production of Zirconia Ceramic Rod and Alumina Ceramic Rod , Zirconia
Valve, Ceramic Injection Pump, Ceramic Plunger Pump , Ceramic Piston, Ceramic Stick , Ceramic Washer,
They are applicable to Electrical, Appliance, Mining, Oil & Gas, Energy & Power, Food & Medical, Agriculture, Aerospace,
even other high-end fields.
We can make the product according to your drawings, custom the size, 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.