In the demanding world of industrial fluid and gas transfer, the choice of tubing material is critical. Among the various options available, PTFE tubing stands out as a premier solution for applications requiring exceptional chemical resistance, high-temperature stability, and superior non-stick properties. PTFE, or Polytetrafluoroethylene, is a synthetic fluoropolymer renowned for its inertness and broad operational range. Kaxite, a leader in high-performance polymer solutions, manufactures premium PTFE tubing designed to meet the rigorous standards of modern industry. Our tubes are engineered to provide reliable performance in environments where other materials would fail, ensuring longevity, safety, and cost-effectiveness for your operations.
Understanding the precise parameters of PTFE tubing is vital for selecting the correct product for your application. Below is a detailed breakdown of the standard specifications for Kaxite's PTFE tubing.
Kaxite PTFE tubing is available in a comprehensive range of sizes. Standard tolerances apply unless otherwise specified for custom orders.
| Inner Diameter (ID) mm/in | Outer Diameter (OD) mm/in | Wall Thickness mm/in | Standard Length (m/ft) | Pressure Rating (PSI)* |
|---|---|---|---|---|
| 1.0 mm / 0.039" | 2.0 mm / 0.079" | 0.5 mm / 0.020" | 30 m / 98 ft | 150 PSI |
| 2.0 mm / 0.079" | 4.0 mm / 0.157" | 1.0 mm / 0.039" | 25 m / 82 ft | 120 PSI |
| 4.0 mm / 0.157" | 6.0 mm / 0.236" | 1.0 mm / 0.039" | 20 m / 65 ft | 100 PSI |
| 6.0 mm / 0.236" | 8.0 mm / 0.315" | 1.0 mm / 0.039" | 15 m / 49 ft | 85 PSI |
| 10.0 mm / 0.394" | 13.0 mm / 0.512" | 1.5 mm / 0.059" | 10 m / 33 ft | 75 PSI |
*Pressure ratings are for guidance at 20°C (68°F). Ratings decrease with increasing temperature. Consult Kaxite engineering for high-temperature pressure data.
| Property | Test Method | Typical Value | Significance for Application |
|---|---|---|---|
| Chemical Resistance | ASTM D543 | Excellent (Resistant to virtually all chemicals) | Ideal for aggressive acids, bases, solvents, and pharmaceuticals. |
| Tensile Strength | ASTM D638 | 20 - 35 MPa (2900 - 5000 PSI) | Provides good mechanical durability and resistance to pull forces. |
| Coefficient of Friction | ASTM D1894 | 0.05 - 0.10 (Static) | Ultra-low friction prevents material buildup and allows for easy cleaning. |
| Volume Resistivity | ASTM D257 | >1018 Ω·cm | Superior electrical insulator, perfect for wiring and semiconductor applications. |
| Water Absorption | ASTM D570 | <0.01% | Non-hygroscopic; dimensions and properties remain stable in humid conditions. |
The unique combination of properties makes Kaxite PTFE tubing indispensable across numerous sectors.
What is the main advantage of using PTFE tubing over other plastic tubings like PVC or Polyurethane?
The primary advantage is its unparalleled chemical inertness and extreme temperature range. While PVC and Polyurethane have specific chemical and temperature limits, PTFE tubing from Kaxite is resistant to nearly all industrial chemicals and can operate continuously from deep cryogenic temperatures up to 260°C without degrading. This makes it a versatile and fail-safe choice for critical applications.
Can Kaxite PTFE tubing be used for potable water or food contact applications?
Yes, absolutely. Our PTFE tubing is manufactured using 100% virgin PTFE resin that complies with FDA CFR 21.177.1550 regulations for food contact. It is non-toxic, odorless, tasteless, and will not leach any substances into the conveyed media, making it perfectly safe for potable water lines, food processing, and beverage production.
How flexible is PTFE tubing? Can it be bent easily for tight installations?
PTFE tubing is semi-flexible. It offers excellent bendability for routing through complex paths, but it is not elastomeric like silicone. It will hold its bent shape without kinking, which is advantageous for permanent installations. For very tight radii, we recommend consulting our technical team, as minimum bend radii are dependent on the tube's diameter and wall thickness.
What are the best methods for connecting or terminating PTFE tubing?
Standard methods include using compression fittings (e.g., ferrule and nut style), push-to-connect fittings, or flared fittings. For a permanent, leak-proof seal, heat welding or thermal bonding of PTFE is possible. It is crucial to ensure the fitting material is compatible with the application's chemical and temperature requirements. Stainless steel and other fluoropolymers are common choices. Kaxite can also provide pre-assembled tubing with fittings installed.
Does PTFE tubing have any limitations or weaknesses?
While exceptionally robust in chemical and thermal environments, PTFE tubing has a few considerations. It has lower mechanical strength and abrasion resistance compared to metals like stainless steel. It can be prone to creep (cold flow) under sustained mechanical load. Additionally, it is not suitable for applications involving molten alkali metals or fluorine gas under specific conditions. Always review the full chemical compatibility chart for your specific media.
How do I clean and maintain PTFE tubing?
Maintenance is minimal due to the non-stick properties. For cleaning, simply flush with water, a compatible solvent, or a mild detergent solution. Its smooth surface prevents particle adhesion, making it easy to clean. For sterilization, it can withstand autoclaving (steam sterilization at 121°C/250°F) and many chemical sterilants. Avoid using sharp objects or abrasive pads that could scratch the surface.
Can Kaxite produce custom PTFE tubing with specific dimensions or colors?
Yes, Kaxite specializes in custom-engineered solutions. We can manufacture PTFE tubing with non-standard inner/outer diameters, wall thicknesses, and lengths. We also offer tubing in various colors (blue, red, yellow, etc.) for color-coding different lines in a facility. Custom printing or marking for part identification is also available upon request.
What is the lead time for standard and custom PTFE tubing orders?
Standard size PTFE tubing from Kaxite is typically available for shipment from stock or within a short production lead time (often 1-2 weeks). For custom formulations, dimensions, or large volume orders, our sales and engineering team will provide a specific lead time based on the project's complexity and current production schedule. We prioritize reliable delivery to keep your projects on track.
Selecting Kaxite as your PTFE tubing supplier means investing in quality, reliability, and expert support. Our commitment to using only high-grade virgin PTFE resins ensures consistent performance and purity. Every batch of tubing undergoes rigorous quality control checks for dimensions, integrity, and performance properties. Our technical team possesses deep application knowledge and is ready to assist with material selection, custom design, and troubleshooting. We understand that your processes depend on the reliability of every component, and we engineer our PTFE tubing to be the most dependable link in your system.
