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Alumina ceramic plunger 99% to 99.99% Al2O3 purity alumina plungers
Materials：Alumina ceramina(Al2O3)95%;96%;97%;98%;99%;99.5%:99.7%;99.9%
Sizes：Custom according to the drawings
Delivery times：2 -25 days(depends on the quantity)
Precision：Ra 0.1um tolerance: 0.001mm... etc
Features：Heat resistance / Wear resistance / High purity / Refractory / High Corrosion / Good Insulation...
Customized：
Ceramic plates sheet substrate disc series
Alumina ceramic plunger 99% to 99.99% Al2O3 purity alumina plungers
We are a pro alumina ceramic plunger factory, we produced multi alumina plunger which alumina ceramic Al2O3 purity like Alumina ceramina(Al2O3)95%;96%;97%;98%;99%;99.5%:99.7%;99.99% etc according to customer requirements.
Special alumina ceramic plunger properties
High purity of 99,7%
High mechanical strength and wear resistance
Excellent thermal resistance
Outstanding insulation characteristics
Extreme dielectric strength
Exceptional tribological properties
Can be processed with conventional abrasive tools
Low dissipation factor
High chemical resistance
Good metallizability
Very hard material structure
Notes:
For more details of the ceramic plungers or the best price , please send your requirements to our ceramic engineers(official E-mail: [email protected]). thanks
The mechanical characteristics of advanced Al2O3 ceramic materials are also remarkable. Hence, aluminum oxide materials are often used when components must withstand high mechanical load as Al2O3 offers an excellent wear resistance. So due to its superior tribological, much longer lifetimes of parts and workpieces can be achieved with Al2O3. Furthermore, the chemical strength of alumina is considerable. It can resist most acids and alkalis even at increased temperatures.alumina plunger better performance than metals in high temperature,soomthness, corrision applications.
Specifications of 99,7% Al2O3 alumina plungerRaw Density
3,75 - 3,94 g/cm³
Purity
99,7% Al2O3 (Alumina /Aluminium oxide)
Coefficient of Expansion
78 x 10-7 / °C (20 - 700°C)
86 x 10-7 / °C (20 - 1000°C)
Thermal
Max. operating temperature under mechanical load: approx. 1700°C
Good thermal shock resistance Specific heat capacity: 990 J kg-1 K-1 (20 - 100°C)
Mechanical
Modulus of elasticity: 300-380 GPa
Mohs hardness: 9
Modulus of rupture: 300 Gpa (20°, 3-Point)
Electrical
Electric strength: 17 kV/mm (IEC 672-2)
Specific DC-resistance: 1014 Ω cm (20°C)
Other specifications
Water absorption capacity: ≤ 0,2%
Leak rate: 10-10 hPa dm3 s-1 (20°C)
| Technical reference of manufacture | |
| Dimensional accuracy | Up to 0.001mm |
| Concentricity | Up to 0.003mm |
| Parallelism | Up to 0.002mm |
| The inner hole tolerance | The minimum 0.005mm |
| Straight flute | The narrowest 0.1x100mm |
| The thickness of the size | Minimum to 0.02mm |
| The screw thread | Minimum internal thread M2 |
| Cylindricity | Up to 0.004mm |
| The linear tolerance | Up to 0.001mm |
| The smallest aperture | The minimum 0.07mm |
| Precision process | CNC maching,grinding,lapping |
| Surface finish | Glazed,polishing or metallized |
Customization & Machining Service:
As a ceramic plates manufacturer,us offer a wide of the ceramic specification,and customized&machinables. Get a Quote On Your Customized Now!! or up a files by EMAIL.
Our Custom Capabilities:
1.High Purity Martoxid Powder
2.OEM Support, More Than 10 Technicians With 5-Year R&D Experience
3.35000 ㎡workshop, annual output could reach hundred million pieces.
4.All crafts are inspected strictly based on drawings,checked each month.
5.Best Service And Quick Delivery Via Fedex,DHL,UPS,TNT Etc.
Lead time:within 20 working days after comfirmed order. the samples within 3 days
