Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Specification of polylactic acid (PLA).
| Feature | Amount |
|---|---|
| Name | Polylactic acid (PLA) |
| Crystallinity | 37% |
| Chemical formula | (C3H4O2)n |
| Tensile modulus | 2.7–16 GPa |
| Density | 1.210–1.430 g·cm−3 |
| Melting point | 150 to 160 °C (302 to 320 °F) |
| Glass transition | 60–65 °C |
| Injection mold temperature | 178 to 240 °C (353 to 464 °F) |
