Kaxite Sealing’s Flexible PTFE Tube is a high-performance tubing solution manufactured from pure virgin polytetrafluoroethylene (PTFE). It offers outstanding chemical inertness, a wide operating temperature range, and superior flexibility, making it the preferred choice for fluid transfer, insulation, and sealing in aggressive environments. Our tubes are produced under strict ISO 9001 quality control, ensuring consistent dimensions and zero defects.
Why Choose Kaxite? With 25+ years of sealing expertise, we offer rapid prototyping, on-time delivery, and fully customizable OEM/ODM solutions—from diameter and wall thickness to length and overbraiding options.
| Parameter | Value / Range |
|---|---|
| Material | Virgin PTFE (Polytetrafluoroethylene) |
| Diameter (ID) – standard | 3 mm to 28 mm (custom sizes available) |
| Wall thickness | 0.7 mm to 2.0 mm (customizable) |
| Length | Cut to length or continuous spools (up to 100m) |
| Density | 2.13 – 2.24 g/cm³ |
| Tensile strength | 2,500 – 4,000 PSI (17 – 28 MPa) |
| Elongation at break | ≥ 250% |
| Dielectric strength | ≥ 40 kV/mm |
| Operating temperature | -200°C to +260°C (peak 300°C) |
| Color | Natural (white) or custom colors available |
Unaffected by aggressive chemicals, including strong acids and bases – outperforms rubber and metal tubing.
Retains flexibility from cryogenic to high temperatures, eliminating brittle failure in extreme conditions.
Self-lubricating surface reduces wear and prevents product adhesion, ideal for sticky or viscous fluids.
Our engineering team works closely with you to develop the exact tube configuration that meets your application’s mechanical, thermal, and chemical demands.
Need a custom PTFE tubing solution?
Contact our sales engineers for a free quote – we respond within 24 hours.
Request a QuoteAddress
No 432 Zhenhai Middle Road, Luotuo Street, Zhenhai District, Ningbo City, Zhejiang China
