PEEK PTFE compound tube is a high-performance fluoropolymer product that combines the low friction and chemical inertness of PTFE with the mechanical strength of polyetheretherketone. This material pairing is particularly effective in dynamic sealing, bearing, and insulation applications where unfilled PTFE tends to deform under load. For rotating equipment requiring stable dimensions at elevated shaft speeds, the 10% PEEK PTFE tube for high speed reduces ovality and extends maintenance intervals. The PEEK reinforced PTFE tubing series provides increased load-bearing capacity without sacrificing non-stick surface performance. In abrasive, dry-running, or frequent start-stop conditions, the high wear PEEK PTFE tube delivers measurably lower wear rates than conventional PTFE stock. As a dedicated 10% PEEK filled PTFE tube supplier, we maintain strict control over filler dispersion, extrusion parameters, and post-cure conditioning to ensure repeatable mechanical properties in every production lot.
The PEEK PTFE Compound Tube is manufactured from virgin PTFE resin blended with a controlled percentage of PEEK microparticles, typically 10% by weight, though custom filler loadings can be supplied for special requirements. The uniform dispersion of PEEK within the PTFE matrix increases compressive strength, reduces creep and cold flow, and improves dimensional stability during thermal cycling. These properties make the PEEK PTFE Compound Tube a reliable choice for valve seats, rotary shaft seals, pump wear rings, thrust washers, electrical insulators, and guide bushings operating in chemically aggressive or high-purity environments. The material retains the low-friction, non-stick surface of PTFE while adding sufficient rigidity to hold tight dimensional tolerances. The tube can be extruded in continuous lengths or machined from compression-molded billets, and it is available in a standard tan or off-white color caused by the PEEK filler. Surface finish can be specified from a fine turned finish to a polished finish for reduced dynamic friction. In high-speed or high-cycle applications, the PEEK PTFE Compound Tube provides lower wear and better dimensional recovery than unfilled PTFE, which helps prevent leakage and misalignment in seal assemblies. For food-contact, pharmaceutical, or high-purity fluid applications, the product can be supplied in FDA-compliant grades with full lot traceability and certificates of conformance. Dimensional inspection is performed on every production lot, including inside diameter, outside diameter, wall thickness, ovality, and surface roughness. The PEEK PTFE Compound Tube is also compatible with standard sterilization methods such as autoclave and gamma irradiation, making it suitable for reusable medical and laboratory components where dimensional stability and low particulation are critical.
| Parameter | Available Range / Tolerance |
|---|---|
| Inside diameter | 0.5 mm – 40.0 mm |
| Outside diameter | 1.0 mm – 50.0 mm |
| Wall thickness | 0.25 mm – 6.0 mm |
| Continuous length | Up to 3,000 mm |
| ID tolerance | ±0.05 mm or ±0.001 in, depending on size |
| Concentricity | ≤ 0.08 mm TIR |
| Surface finish Ra | 0.2 – 0.8 μm |
| Property | Value |
|---|---|
| Density | 2.12 – 2.20 g/cm³ |
| Compressive strength | 28 – 35 MPa |
| Deformation under load (23 °C, 14 MPa, 24 h) | ≤ 4.5% |
| Limiting PV continuous | 1.8 – 2.5 MPa·m/s |
| Flammability rating | UL 94 V-0 |
| Water absorption | < 0.03% |
