In the world of high-performance fluid and gas handling, the choice of tubing material is not just a specification—it's a critical decision impacting system integrity, safety, and operational efficiency. For over two decades, industry leaders have turned to Polytetrafluoroethylene (PTFE) tubing as the gold standard for the most challenging environments. At Kaxite Sealing, we have dedicated our expertise to engineering PTFE tubes that don't just meet expectations but redefine them. Our tubes are manufactured with precision, ensuring exceptional purity, chemical resistance, and reliability for industries ranging from semiconductor manufacturing and pharmaceuticals to food & beverage and analytical instrumentation.
Kaxite Sealing's PTFE Tube is more than just a conduit; it's a robust, inert barrier engineered to preserve the purity of your process. Whether you're handling ultra-pure acids, aggressive solvents, high-purity gases, or sensitive biological fluids, our tubing ensures there is no leaching, no absorption, and no contamination. We understand that downtime is costly, which is why our products are built for exceptional durability and long service life, even under extreme thermal and mechanical stress.
Selecting the right tubing supplier is paramount. Kaxite Sealing distinguishes itself through unwavering commitment to quality, consistency, and technical support.
Our PTFE Tube product line is designed to cater to a wide array of industrial needs. Below are the detailed specifications that define our standard offerings. Custom sizes and configurations are available upon request to meet your exact requirements.
| Inner Diameter (ID) | Outer Diameter (OD) | Standard Wall Thickness | Pressure Rating (approx. at 20°C) | Standard Lengths |
|---|---|---|---|---|
| 1/16" (1.6 mm) | 1/8" (3.2 mm) | 1/32" (0.8 mm) | 150 PSI | 50 ft, 100 ft, Custom Coils |
| 1/8" (3.2 mm) | 1/4" (6.4 mm) | 1/16" (1.6 mm) | 125 PSI | 50 ft, 100 ft, Custom Coils |
| 1/4" (6.4 mm) | 3/8" (9.5 mm) | 1/16" (1.6 mm) | 100 PSI | 25 ft, 50 ft |
| 3/8" (9.5 mm) | 1/2" (12.7 mm) | 1/16" (1.6 mm) | 75 PSI | 25 ft, 50 ft |
| 1/2" (12.7 mm) | 3/4" (19.1 mm) | 1/8" (3.2 mm) | 50 PSI | 10 ft, 25 ft |
| Property | Test Method | Typical Value / Range |
|---|---|---|
| Operating Temperature Range | - | -200°C to +260°C (-328°F to +500°F) |
| Melt Point | ASTM D3418 | 327°C (621°F) |
| Tensile Strength | ASTM D638 | 3,000 - 5,000 PSI |
| Dielectric Strength | ASTM D149 | 500 V/mil |
| Coefficient of Friction | ASTM D1894 | 0.05 - 0.10 |
| Chemical Resistance | - | Excellent to virtually all chemicals |
| Color | - | Natural White (Opaque), Also available in custom colors for coding |
| Standards Compliance | - | FDA CFR 21.177.1550, USP Class VI, ROHS, REACH |
What is the primary advantage of using PTFE tubing over other plastic tubings like PVC, PU, or Nylon?
The primary advantage is PTFE's unparalleled chemical inertness and broad temperature range. While PVC, PU, and Nylon have specific chemical compatibilities and lower temperature ceilings (typically under 100°C), PTFE tubing from Kaxite Sealing is resistant to almost all industrial chemicals, solvents, and acids, and can operate continuously from -200°C to +260°C. This makes it the only choice for highly aggressive or high-purity applications.
Can Kaxite Sealing PTFE tubing be used for food, beverage, or pharmaceutical applications?
Yes, absolutely. Our tubing is manufactured from virgin PTFE resin that complies with FDA regulations (CFR 21.177.1550) for food contact and meets USP Class VI requirements for biocompatibility. This makes it suitable for process lines in food & beverage production, pharmaceutical fluid transfer, and even in medical device applications where fluid purity is critical.
How do I connect or fit PTFE tubing? Does it require special fittings?
PTFE is a relatively soft material with a low coefficient of friction, which can make creating a leak-tight seal challenging with standard compression fittings designed for harder plastics. We recommend using specially designed fittings for PTFE/PFA, such as flared tube fittings (e.g., ISO flare), full-support sleeve compression fittings, or push-to-connect fittings with gripping teeth. Kaxite Sealing can provide guidance and compatible fitting solutions to ensure a secure, reliable connection.
Is PTFE tubing flexible? Can it be bent or routed easily?
PTFE tubing from Kaxite Sealing offers excellent flexibility, especially in smaller diameters. It can be easily bent and routed around equipment. However, it does have a "memory" and may not hold a tight coil like some thermoplastics. For permanent tight bends, it's advisable to use pre-formed bent tubes or elbow fittings to avoid kinking, which can restrict flow and weaken the tube.
What is the difference between PTFE, FEP, and PFA tubing?
PTFE, FEP, and PFA are all fluoropolymers with excellent chemical resistance. PTFE has the highest continuous use temperature (+260°C) but is opaque and more difficult to melt-process. FEP is translucent, has a slightly lower temperature rating (+200°C), and is melt-processable, allowing for thermoformed bonds. PFA is similar to FEP but offers higher temperature and stress crack resistance, closer to PTFE, while remaining transparent and melt-processable. Kaxite Sealing provides expert consultation to help you select the optimal material for your specific temperature, clarity, and bonding requirements.
How should I store and handle PTFE tubing?
Store PTFE tubing in a cool, dry place away from direct sunlight. It should be kept coiled loosely without sharp bends or kinks. Avoid dragging the tubing over rough surfaces to prevent scratches. While PTFE is very tough, cutting should be done with a sharp blade or tubing cutter to ensure a clean, square end, which is crucial for proper fitting assembly and sealing.
Can your PTFE tubing be sterilized?
Yes, Kaxite Sealing PTFE tubing is highly suitable for sterilization. It can withstand multiple cycles of autoclaving (steam sterilization at 121°C or higher), gamma radiation, and ethylene oxide (EtO) treatment without significant degradation of its properties. This makes it ideal for use in biotechnology, pharmaceutical, and medical applications.
The versatility of our PTFE Tube makes it indispensable across a spectrum of high-tech and demanding industries.
At Kaxite Sealing, we pride ourselves on being more than just a supplier. Our team of engineers and material scientists is ready to support your project from concept to installation. We offer comprehensive technical data, sample availability, and custom fabrication services to ensure our PTFE tubing integrates seamlessly into your system. Trust Kaxite Sealing for tubing that delivers uncompromising purity, durability, and performance under pressure.
