Key Features
- Highest elongation and impact strength of the PK series
- Continuous service up to 260 °C
- Excellent hydrolysis and steam resistance
- UL 94 V-0 (1.5 mm); low smoke and toxicity
Applications
Valve seats, seals, bushings, insulation components, semiconductor wafer handling, food-contact parts.
Typical Properties
| Property | Test Method | Unit | Typical Value |
|---|---|---|---|
| Density | ISO 1183 | g/cm³ | 1.30 |
| Tensile strength (yield) | ISO 527-2 | MPa | 97 |
| Elongation at break | ISO 527-2 | % | 30 |
| Flexural strength | ISO 178 | MPa | 170 |
| Flexural modulus | ISO 178 | GPa | 4.1 |
| Notched Izod impact | ISO 180/A | kJ/m² | 5.5 |
| HDT (1.8 MPa) | ISO 75 | °C | 152 |
| Tg / Tm | DSC | °C | 143 / 343 |
| Water absorption 24h | ISO 62 | % | 0.15 |
| Flammability | UL 94 | — | V-0 (1.5 mm) |
| Dielectric strength | IEC 60243 | kV/mm | 16–19 |
| Volume resistivity | IEC 60093 | Ω·cm | ≥10¹⁵ |
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 |