Table 7: Mechanical properties of biodegradable materials.*

Source of biomaterialUTS (MPa)Modulus (GPa)Strain (%) at breakage

Bombyx mori silk (with sericin)5005–1219
Bombyx mori silk (without sericin)610–69015–174–16
Bombyx mori silk7401020
Collagen0.9–7.40.0018–0.04624–68
Cross-linked collagen47–720.4–0.812–16
Polylactic acid28–501.2–3.02–6

*Adapted from Cao and Wang (2009) [11].