polypropylene. chemically inert, flexible. low bed adhesion: PP tape required.
When you want chemical resistance + flexibility + low density (0.9 g/cm³). The part will float in water. Withstands acids, bases, organic solvents. Living hinges work for 100k+ cycles.
| Formula | (C₃H₆)ₙ |
|---|---|
| Density | 0.9 g/cm³ |
| Tg (glass transition) | -10°C |
| Nozzle temp | 220–240°C |
| Bed temp | 85–100°C |
| Enclosure | no |
| Difficulty | ★★★: intermediate |
Engineer, author of The Big Book of 3D Printing and additive manufacturing expert
| Formula | (C₃H₆)ₙ |
|---|---|
| Density (g/cm³) | 0.9 |
| Tg (°C) | -10 |
| Print ease (0-10) | 3 |
| Tensile (0-10) | 5 |
| Flexibility (0-10) | 8 |
| Impact resistance (0-10) | 7 |
| Heat resistance (0-10) | 5 |
| UV resistance (0-10) | 5 |
| Chemical resistance (0-10) | 10 |
| Cost (0-10) | 6 |
| Safety (0-10) | 9 |
| Finishing (0-10) | 3 |
| Bed adhesion (0-10) | 2 |
| Accuracy (0-10) | 5 |
| Property | PP | ABS | ASA | CF-Filled (PLA/PETG) |
|---|---|---|---|---|
| Print ease | 3 | 5 | 5 | 5 |
| Tensile | 5 | 6 | 7 | 6 |
| Flexibility | 8 | 5 | 5 | 3 |
| Impact resistance | 7 | 8 | 7 | 5 |
| Heat resistance | 5 | 8 | 8 | 3 |
| UV resistance | 5 | 3 | 9 | 4 |
| Chemical resistance | 10 | 6 | 7 | 5 |
| Cost | 6 | 8 | 6 | 6 |
| Safety | 9 | 5 | 5 | 7 |
| Finishing | 3 | 9 | 9 | 8 |
| Bed adhesion | 2 | 6 | 6 | 8 |
| Accuracy | 5 | 7 | 7 | 7 |
| Brand | Manufacturer | EUR/kg | Tier |
|---|---|---|---|
| Centaur PP | Centaur | 35 | budget |
| Verbatim PP | Verbatim | 40 | mid |
| Polymaker PolyMide PP | Polymaker | 45 | mid |
| Treed PP | Treed | 50 | mid |
| Innofil 3D PP | Innofil | 55 | premium |