As a specialist metal filled PTFE tube supplier, we focus on filled PTFE tubing that solves the limitations of virgin PTFE in demanding mechanical applications. Our production process blends metallic fillers into PTFE resin before ram extrusion and sintering, creating a homogeneous structure with superior load bearing and wear resistance. For rotating bushings and pivot points, our bronze filled PTFE tube for industrial bushing delivers a low-friction bearing surface that extends service intervals and reduces stick-slip. In environments with high sliding speeds and abrasive media, the copper filled PTFE tubing wear resistance grade dissipates heat quickly and resists scoring. For heavy machinery and structural components, our bronze PTFE tube high load capacity maintains tight tolerances under continuous pressure without cold flow. As an integrated PTFE bronze filled tube manufacturer, we handle raw material compounding, molding, sintering, and precision machining under one roof. This vertical integration allows us to guarantee batch-to-batch consistency, traceable raw materials, and fast turnaround for custom orders. We supply tubes in outer diameters from 4 mm to 300 mm, wall thickness from 1 mm to 25 mm, and standard lengths up to 1000 mm. Every lot is inspected for dimensional accuracy, filler distribution, and mechanical properties before dispatch. Our engineering team also provides material selection guidance to help you choose the right filler type and content for your operating temperature, load, and chemical exposure.
The Metal Filled PTFE Tube range is engineered for engineers and maintenance teams who need predictable performance in non-lubricated or boundary-lubricated systems. Metallic fillers are uniformly dispersed within the PTFE matrix to reduce wear, improve compressive strength, and raise thermal conductivity compared with standard unfilled PTFE tubing. These tubes resist deformation under high static loads, which is critical for hydraulic cylinder guides, valve seats, pump wear rings, and bearing cages. The filled structure also lowers the coefficient of linear thermal expansion, helping assemblies hold critical clearances across a wide temperature range. Filler content can be adjusted from 5% to 60% by weight, allowing users to balance lubricity, hardness, and machinability for specific operating conditions. In addition, the tubing can be post-machined with grooves, chamfers, and flanges to match installation drawings. Surface finish options include ground, skived, or as-extruded conditions. Color is typically dark brown, dark gray, or black depending on the filler type and percentage. All products are available in small prototype quantities and high-volume production runs, with ISO 9001-certified quality control at every stage. Packaging is reinforced to prevent bending or surface damage during transit, and each shipment includes a material certificate and dimensional report. Samples are available for evaluation upon request.
| Property | Bronze Filled PTFE Tube | Copper Filled PTFE Tube | Stainless Steel Filled PTFE Tube |
|---|---|---|---|
| Typical filler content | 40% / 60% | 40% / 60% | 50% |
| Density (g/cm³) | 3.0 – 3.4 | 3.2 – 3.8 | 3.5 – 3.9 |
| Hardness (Shore D) | 62 – 68 | 60 – 66 | 65 – 72 |
| Tensile strength (MPa) | 15 – 20 | 14 – 18 | 16 – 22 |
| Elongation at break (%) | 80 – 150 | 60 – 120 | 50 – 100 |
| Max service temperature (°C) | 260 | 260 | 260 |
| Best suited for | Bushings, wear rings, cam followers | Heat-dissipating sliding parts, electrical contacts | Chemically aggressive environments with high load |
