Zirconia Ceramic Wafer for Insulation / Ceramic Circular Plate / Discs
Key words : Ceramic Wafer / Ceramic Circular Plate
A superb combination of corrosion resistance, temperature stability and non-conductivity
Outstanding corrosion resistance to acids, solvents, salts, and organics
Excellent electrical & thermal insulator
High purity
Ceramic Wafer / Ceramic Circular Plate are one of the most thermally resistant washers available. Due to their outstanding thermal resiustance, alumina ceramic washers are geared for the most demanding high temperature applications. Alumina ceramic washers also have outstanding corrosion resistance and are highly chemically resistant to acids, solvents, and salts. Additionally, alumina ceramic washers find many uses in high voltage applications due to their non-conductive electrical properties.
Alumina ceramic washers are available in both metric and standard sizes. Please contact us if you have any questions about the properties or availability of our ceramic washers.
washers made from customer specified ceramic grades or custom dimensions are available upon request.
Common Ceramic Grades
Alumina ceramic or Aluminum oxide (Al203) is the most common grade of alumina ceramics and is designated as being 95% up pure. Alumina is most known for high temperature stability and has a usable temperature limit of 3000°F (1650°C). Alumin has the greatest balance of economy, mechanical and thermal properties.
Various other compositions of alumina ceramic are available upon request.
In stock fully dense Alumina Oxide and Zirconia Oxide ceramic washers / spacer is the most widely used advanced ceramic material. It offers very good performance in terms of wear resistance, corrosion resistance and strength at a reasonable price. Its high dielectric properties are beneficial in electronic products.
Both the Alumina Oxide washers and Ceramic Wafer / Ceramic Circular Plate have matching ceramic screws and ceramic nuts.
If a special shaped or size ceramic washers is required, please advise and we will be happy to quote in both small quantities and large quantities.
High-quality Ceramic Wafer / Ceramic Circular Plate (aluminum oxide Al2O3 99.9%, 99.7% and 95% and zirconia ZrO2)
Mingrui manufactures high qualityCeramic Sleeve Washer / Ceramic Sleeve Bushing, made out of High Purity Alumina (95%, 99,7% or 99,9%) and TZP Zirconia ceramics for high and low pressure injection and selection valves. Rotors and Stators are subject to intensive mechanical stress and chemical aggression while having to maintain a perfectly leak free adjustment between the two components. No leak, limited stiction and low wear are the most important parameters to guarantee long life and reliability to your valve. These can be achieved by an adequate surface finish, a perfect flatness of the surfaces in contact and a proper selection of the material. Every application is different and Ceramaret will help you define the parameters required for your particular valve. Ceramic Wafer / Ceramic Circular Plate are used in valves for many high-tech applications, such as HPLC, micro-HPLC, Medical, Industrial, etc.
Advantages ofCeramic Sleeve Washer / Ceramic Sleeve Bushing:
1. Isostatic pressed.
2. Fire resistance.
3. Superior mechnical strength.
4. High corrosion and wear resistance.
5. High Temperature Resistance.
6. Good Insulation Performance Precision.
7. Zirconia and alumina ceramic material.
They are high corrosion and wear resistance and strong impact resistance and delivers 10 times longer working life than metal plunger. They give a longer life to the sealed packing material.
Product Description
| Performance For Industrial Ceramic |
| Item | Character | Unit | Zirconia |
| Physical Characteristics | Heat resistance | 0C | 2000 |
| Bulk density | g/cm3 | 6.00 |
| Water absorption | % | 0 |
|
Mechanical Characteristics
| Flexural strength | Mpa | 950 |
| Hardness vickers | Gpa | 89 |
| Elastic modulus | Gpa | 200 |
| Poisson’s ratio | | 0.31 |
| Thermal Characteristics | Linear expansion coefficient | (20-5000C)10-6/0C | 10 |
| Thermal conductivity | w/(m.k) | 2.5 |
| Specific Heat | *10-3J/(kg*K) | 0.5 |
| Electrical Characteristics | Dielectric constant (1MHZ) | - | N.A. |
| Dielectric loss angle | *10-4 | N.A. |
| Dielectric strength
| *106V/m | N.A. |
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Packaging and Shipping
Packed in PP bag or sponge tray, then put in standard export carton packing, or OEM packing.
Shipped by Air ( DHL, TNT, UPS, Fedex, EMS ), or Sea transportation.
Company information
Who Are We?
Mingrui is a professional factory with years OEM experience in manufacturing industrial ceramic parts.
What Do We Do?
We produce (OEM ) strengthened structure zirconia and alumina ceramic rod,tube, shaft, plate, sleeve, valve, plunger, bearing, nozzle and ceramic arm, they are applicable to instruments, medical instruments, clocks and electronic products, mills, energy and power, machine and metals, autocar and military, spaceflight and some other high-end fields.
All of our products with certificates, such as , CE, TUV, and so on.
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Alumina Zirconia Ceramic Wafer , Circular White Ceramic Plates For Insulation / Discs Images
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