EngiRef / Plastics Properties
Polypropylene (PP)
Polypropylene (PP) (PP): plastics engineering material. Density 905 kg/m³. Yield 34 MPa, ultimate 34 MPa. Elastic modulus 1.5 GPa. Full property sheet with…
plastics
Specification
- Name
- Polypropylene (PP)
- Category
- plastics
- Designation
- PP
- Applications
- Food containers, Automotive parts, Living hinges, Packaging, Textiles
- Notes
- Lowest density of common plastics. Good fatigue resistance (living hinges).
Properties
| Property | Value |
|---|---|
| Density | 905 kg/m³ |
| Tensile Strength Yield | 34 MPa |
| Tensile Strength Ultimate | 34 MPa |
| Elastic Modulus | 1.5 GPa |
| Poissons Ratio | 0.42 |
| Thermal Conductivity | 0.22 W/(m·K) |
| Thermal Expansion | 150 µm/(m·K) |
| Specific Heat | 1900 J/(kg·K) |
| Melting Point | 165 °C |
| Hardness | Rockwell B: R95 |