Key Features
- Low friction and wear; dry-running capable
- High PV limit for continuous sliding
- Self-lubricating — no external grease
- Excellent chemical and temperature resistance
Applications
Bearing bushes, thrust washers, seal rings, compressor piston rings, sliding elements in pumps and textile machinery.
Typical Properties
| Property | Test Method | Unit | Typical Value |
|---|---|---|---|
| Density | ISO 1183 | g/cm³ | 1.45 |
| Tensile strength | ISO 527-2 | MPa | 130 |
| Elongation at break | ISO 527-2 | % | 2.3 |
| Flexural strength | ISO 178 | MPa | 195 |
| Flexural modulus | ISO 178 | GPa | 11 |
| HDT (1.8 MPa) | ISO 75 | °C | 293 |
| Friction coefficient (dry; vs steel) | — | — | 0.20 |
| PV limit (continuous) | — | MPa·m/s | 1.0 |
| Water absorption 24h | ISO 62 | % | 0.08 |
| Flammability | UL 94 | — | V-0 (1.5 mm) |
Typical values for grade selection only — not a specification. Lot-specific data provided in the COA accompanying each shipment.
Processing Guidelines
| Parameter | Recommendation |
|---|---|
| Drying | 150 °C / 3–4 h, desiccant dryer, dew point ≤ −40 °C |
| Melt temperature | 350–380 °C (virgin / GF); 360–390 °C (CF) |
| Mold temperature | 160–190 °C |
| Screw / gate | General-purpose screw; avoid dead spots |