EngiRef / Plastics Properties
PLA (Polylactic Acid)
PLA (Polylactic Acid) (PLA): plastics engineering material. Density 1250 kg/m³. Elastic modulus 3.5 GPa. Full property sheet with thermal data, hardness and…
plastics
Specification
- Name
- PLA (Polylactic Acid)
- Category
- plastics
- Designation
- PLA
- Applications
- 3D printing, Food packaging, Medical implants, Disposable utensils
- Notes
- Biodegradable. Made from corn starch. Most popular 3D printing filament.
Properties
| Property | Value |
|---|---|
| Density | 1250 kg/m³ |
| Tensile Strength Ultimate | 50 MPa |
| Elastic Modulus | 3.5 GPa |
| Poissons Ratio | 0.36 |
| Thermal Conductivity | 0.13 W/(m·K) |
| Thermal Expansion | 70 µm/(m·K) |
| Specific Heat | 1800 J/(kg·K) |
| Melting Point | 160 °C |