PLA-foams tensile properties as a function of the fibre nature, the fibre content, and the fibres surface treatment (CMF1APS) (PLA7000D, 3 wt% CBA2 for biocomposites foams, 4 wt% CBA2 for PLA foam, temperature profile A, screw speed 30 rpm, die temperature 195°C, free cooling)—: yield stress; : elongation at yield stress; : ultimate stress; : ultimate elongation—( ): standard deviation.