Sample Ultimate stress (MPa) Elongation at break (%)
Cellulose 4.7 ± 0.4 6.0 ± 0.4
Cellulose/CaCO3-0.5 5.8 ± 0.6 6.8 ± 0.6
Cellulose/CaCO3-1 7.7 ± 0.7 5.6 ± 0.6