super-polymer. 250°C HDT. Aerospace, medical. Requires a specialized printer.
When a metal substitute in polymer is needed. PEEK survives: 250°C continuous, chemicals, radiation, sterilization. Biocompatible (medical implants). For aerospace & medical: the only polymer choice.
| Formula | (C₁₉H₁₂O₃)ₙ |
|---|---|
| Density | 1.3 g/cm³ |
| Tg (glass transition) | 143°C |
| Nozzle temp | 380–420°C |
| Bed temp | 125–160°C |
| Enclosure | required, 80°C+ |
| Difficulty | ★★★★★: expert |
Engineer, author of The Big Book of 3D Printing and additive manufacturing expert
| Formula | (C₁₉H₁₂O₃)ₙ |
|---|---|
| Density (g/cm³) | 1.3 |
| Tg (°C) | 143 |
| Print ease (0-10) | 1 |
| Tensile (0-10) | 10 |
| Flexibility (0-10) | 5 |
| Impact resistance (0-10) | 9 |
| Heat resistance (0-10) | 10 |
| UV resistance (0-10) | 9 |
| Chemical resistance (0-10) | 10 |
| Cost (0-10) | 1 |
| Safety (0-10) | 9 |
| Finishing (0-10) | 7 |
| Bed adhesion (0-10) | 5 |
| Accuracy (0-10) | 8 |
| Drying temperature (Victrex) | >= 120 °C |
|---|---|
| Nozzle temperature (EduFacturing library) | 370-420 °C |
| Bed temperature (EduFacturing library) | 120-160 °C |
| Property | PEEK | ABS | ASA | CF-Filled (PLA/PETG) |
|---|---|---|---|---|
| Print ease | 1 | 5 | 5 | 5 |
| Tensile | 10 | 6 | 7 | 6 |
| Flexibility | 5 | 5 | 5 | 3 |
| Impact resistance | 9 | 8 | 7 | 5 |
| Heat resistance | 10 | 8 | 8 | 3 |
| UV resistance | 9 | 3 | 9 | 4 |
| Chemical resistance | 10 | 6 | 7 | 5 |
| Cost | 1 | 8 | 6 | 6 |
| Safety | 9 | 5 | 5 | 7 |
| Finishing | 7 | 9 | 9 | 8 |
| Bed adhesion | 5 | 6 | 6 | 8 |
| Accuracy | 8 | 7 | 7 | 7 |
| Brand | Manufacturer | EUR/kg | Tier |
|---|---|---|---|
| Victrex PEEK 450G | Victrex | 320 | premium |
| 3DXtech ThermaX PEEK | 3DXtech | 350 | premium |
| Solvay KetaSpire PEEK | Solvay | 360 | premium |
| Apium PEEK | Apium | 380 | premium |
| Stratasys ABS-M30 PEEK | Stratasys | 450 | premium |