Table 1.

Physical properties of PLA and PLLA [24].

Biopolymers	Density (g/cm3)	Tensile Strength (MPa)	Youngs Modulus (GPa)	Glass Transition Temperature (°C)	Melting Temperature (°C)
PLA	1.21–1.25	21–60	0.35–3.5	45–60	150–162
PLLA	1.24–1.30	15.5–150	2.7–4.14	55–65	170–200