Zirconia Ceramic Chromatography Plunger Rod | Precision ZrO₂ HPLC Pump Components
High-precision zirconia ceramic plunger rods for chromatography systems. Excellent wear resistance, smooth surface finish, and chemical stability for accurate HPLC fluid delivery.
zirconia ceramic chromatography plunger
HPLC ceramic plunger rod
ZrO2 pump plunger chromatography
ceramic plunger for analytical instruments
precision ceramic plunger shaft
wear resistant chromatography pump parts
Product Overview
The zirconia ceramic plunger rod for chromatography systems is a high-precision component designed for accurate fluid delivery in analytical instruments such as HPLC systems. Manufactured from high-performance zirconia (ZrO₂), it offers exceptional wear resistance, superior surface finish, and excellent chemical compatibility with a wide range of solvents.
Key Features
1. Ultra-Smooth Surface Finish
Precision polishing reduces surface roughness, ensuring reliable sealing and minimal friction.
2. Excellent Wear Resistance
Maintains dimensional stability and performance under high-frequency reciprocating motion.
3. Superior Chemical Compatibility
Resistant to organic solvents and reagents used in chromatography.
4. High Mechanical Strength & Toughness
Zirconia provides enhanced durability and resistance to cracking.
5. Precision Machining
Tight tolerances ensure accurate fluid delivery and system stability.
Applications
HPLC (High-Performance Liquid Chromatography) systems
Analytical and laboratory instruments
Precision dosing and metering pumps
Chemical analysis equipment
Technical Advantages
Stable performance in continuous operation
Low friction and improved sealing efficiency
Non-contaminating material for analytical accuracy
Long service life in demanding environments
Customization Options
Diameter and length specifications
Surface roughness (Ra control for sealing)
End geometry and interface design
Matching with seals and pump chambers
OEM production based on drawings
Localized Title (US)
Zirconia Ceramic Chromatography Plunger Rod | HPLC Pump Components Supplier in USA
Localized Content Snippet
We supply high-precision zirconia ceramic plunger rods for chromatography systems across the United States. Our components ensure accurate fluid delivery, chemical compatibility, and long service life in analytical and laboratory applications.
OEM customization and engineering support 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 |
