In hydraulic cylinders, pneumatic actuators, chemical transfer systems, and food processing machinery, PTFE tubing performs best when the base resin is modified to handle higher loads and continuous wear cycles. The 25% glass 5% MoS2 PTFE tube high load grade combines 25% glass fiber reinforcement with 5% molybdenum disulfide filler to resist cold flow and maintain dimensional stability under constant radial pressure. This high wear resistance PTFE tube MoS2 filled material is especially useful for bushings, wear rings, and guide bands that must run without external lubrication. When engineers order machined blanks or extruded lengths, they often look for a 25% glass MoS2 PTFE tube supplier that can control filler distribution and wall thickness tolerance. The finished PTFE tube low friction high strength product delivers a low coefficient of friction, high compressive strength, and reliable performance in both wet and dry service environments.
The glass fiber MoS2 PTFE tubing is produced by compression molding or isostatic molding, followed by sintering and precision machining. The standard composition contains 25% glass fiber by weight for stiffness and creep resistance, plus 5% molybdenum disulfide for reduced friction and improved wear behavior. This filled PTFE tube offers excellent chemical compatibility with acids, alkalis, solvents, and hydraulic fluids, and it remains dimensionally stable from -100°F to +500°F (-73°C to +260°C).
Key material properties
Mechanical and electrical performance data
| Property | Value | Test Standard |
|---|---|---|
| Tensile strength | 18–26 MPa (2,600–3,800 psi) | ASTM D638 |
| Elongation at break | 150–220% | ASTM D638 |
| Compressive strength (10% strain) | 24–30 MPa (3,500–4,350 psi) | ASTM D695 |
| Flexural modulus | 1,100–1,500 MPa (160–218 ksi) | ASTM D790 |
| Volume resistivity | 10^14 – 10^16 ohm·cm | ASTM D257 |
| Dielectric strength | 18–22 kV/mm | ASTM D149 |
| Thermal conductivity | 0.35–0.45 W/m·K | ASTM E1530 |
Dimensional options
Common stock sizes
| Outer Diameter (mm) | Inner Diameter (mm) | Wall Thickness (mm) | Length (mm) |
|---|---|---|---|
| 20 | 12 | 4 | 300 |
| 30 | 20 | 5 | 300 |
| 40 | 28 | 6 | 300 |
| 50 | 36 | 7 | 500 |
| 60 | 44 | 8 | 500 |
| 80 | 60 | 10 | 500 |
Typical applications