The Advantages of PFA in High-Purity Environments
Unlike standard polymers, PFA provides a nearly universal chemical resistance and a smooth internal surface that prevents particle entrapment. When formed into a “spring” or coiled shape, it provides excellent retractability, saving space in tight cleanroom environments without sacrificing flow rate or pressure stability.
Technical Comparison: PFA vs. Traditional Material Solutions
| Feature | PFA Spring Tube | PTFE Tubing | Stainless Steel (316L) |
|---|---|---|---|
| Metal Ion Leaching | None (Ultra-Pure) | Low | Risk of Trace Leaching |
| Flexibility/Retractability | Excellent (Spring Memory) | Moderate (Rigid) | None (Requires Joints) |
| Chemical Resistance | Universal | Universal | Limited by Corrosion |
| Transparency | High (Visual Flow Check) | Opaque | None |
Key Applications
- Automated Sampling: Retractable design allows probes to move freely.
- Aggressive Chemical Dispensing: Handling acids and bases without degradation.
- Cleanroom Fluid Links: Space-saving connections for high-purity water and reagents.
Frequently Asked Questions (FAQ)
Q: Does the PFA spring tube lose its “memory” over time?
A: No. Thanks to our advanced CNC processing and heat-setting techniques, Cylex PFA spring tubes maintain their retractability and coil shape even after repeated expansion.
Q: Can these tubes be used with organic solvents?
A: Yes, PFA is chemically inert to almost all organic solvents, making it ideal for complex pharmaceutical formulations.
Q: Are custom sizes and lengths available?
A: Absolutely. We offer custom-machined fittings and specific coil diameters to meet your equipment’s unique requirements.
Ready to upgrade your fluid handling system? Contact Cylex Plastics today for a technical consultation or visit our PFA Spring Tube product page for detailed specifications.




