Zirconia Ceramic Plunger Shaft for Chromatography Instruments | Precision ZrO₂ Pump Components
High-precision zirconia ceramic plunger shafts for chromatography systems. Excellent wear resistance, chemical stability, and smooth surface finish for accurate fluid control in analytical instruments.
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Product Overview
The zirconia ceramic plunger shaft for chromatography instruments is a precision component designed for high-accuracy fluid delivery systems. Manufactured from high-strength zirconia (ZrO₂), it offers exceptional wear resistance, smooth surface finish, and chemical stability, ensuring consistent performance in analytical and laboratory environments.
Key Features
1. High Wear Resistance
Zirconia material significantly reduces wear in reciprocating pump systems, extending service life.
2. Superior Surface Finish
Polished surfaces minimize friction and ensure smooth, stable operation.
3. Excellent Chemical Resistance
Compatible with a wide range of solvents and reagents used in chromatography.
4. High Mechanical Strength & Toughness
Resists cracking and maintains integrity under continuous operation.
5. Precision Machining
Ensures tight tolerances for accurate sealing and fluid control.
Applications
Chromatography systems (HPLC / analytical instruments)
Precision dosing and metering pumps
Laboratory fluid control equipment
Chemical analysis instruments
Technical Advantages
Stable performance in high-frequency reciprocating motion
Low wear rate and long service life
Non-reactive and contamination-free
Suitable for high-precision analytical environments
Customization Options
Shaft diameter and length
Surface roughness (Ra control for sealing performance)
End geometry and interface design
Matching with sleeves or seals
OEM manufacturing based on technical drawings
Localized Title (US)
Zirconia Ceramic Plunger Shaft for Chromatography Systems | USA Analytical Equipment Supplier
Localized Content Snippet
We supply high-precision zirconia ceramic plunger shafts for chromatography instruments across the United States. Our components are engineered for accurate fluid control, long service life, and reliable performance in analytical and laboratory applications.
Engineering support and global delivery available.
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| Type | Unit | A‑100 | A‑200 | A‑300 | AZ‑100 |
| Material | - | Al₂O₃ 97% | Al₂O₃ 99.5% | Al₂O₃ 99.7% | Al₂O₃‑ZrO₂ |
| Colour | - | White ivory | White | Ivory White | White |
| Density | g/cm³ | 3.75 | 3.9 | 3.92 | 4.2 |
| Flexural Strength | MPa | 280 | 320 | 370 | 480 |
| Compressive Strength | MPa | 2250 | 2300 | 2450 | 2700 |
| Modules of Elasticity | GPa | 330 | 370 | 380 | 350 |
| Fracture Toughness | MPa·m^½ | 3 | 4 | 4.5 | 5.5 |
| Poisson's Ratio | — | 0.23 | 0.22 | 0.22 | 0.24 |
| Hardness | HRA | 90 | 91 | 91 | 91 |
| Vickers Hardness | HV1 | 1450 | 1550 | 1600 | 1600 |
| Thermal Expansion | 10⁻⁶K⁻¹ | 7.1 | 6.8 | 6.8 | 9.2 |
| Thermal Conductivity | W/m·K | 25 | 32 | 32 | 8 |
| Thermal Shock | ΔT·℃ | 200 | 220 | 220 | 470 |
| Max Use Temp(Oxidizing) | ℃ | 1200 | 1400 | 1650 | 1000 |
| Max Use Temp(Reducing) | ℃ | 1200 | 1400 | 1700 | 1000 |
| Volume Resistivity (20℃) | Ω·cm | 10¹⁴ | 10¹⁵ | 10¹⁵ | 10¹⁴ |
| Dielectric Strength | kV/mm | 16 | 20 | 22 | 16.5 |
| Dielectric Constant(1MHz) | - | 11.5 | 11 | 10 | 11 |
| Dielectric Loss (tanδ) | 1MHz | 3×10⁻³ | 1×10⁻³ | 1×10⁻³ | 2×10⁻² |
