Table 1.

Flexural Modulus of the three formulations by each extrusion.

Natural PLA
Series	Ef PLA (MPa)
	1 ext	4 ext	8 ext	12 ext	16 ext	20 ext
$\overline{x}$	2361.02	2291.45	2304.31	2278.82	2227.60	2221.15
σ	60.00	30.58	27.17	52.74	61.96	36.94
n [%]	2.54	1.33	1.17	2.31	2.78	1.66
PLA BS
Series	Ef PLA BS (MPa)
	1 ext	4 ext	8 ext	12 ext	16 ext	20 ext
$\overline{x}$	2236.35	2231.79	2210.81	2199.02	2238.58	2257.28
σ	48.40	19.93	33.69	31.51	15.71	52.88
n [%]	2.16	0.89	1.52	1.43	0.70	2.34
PLA Nano
Series	Ef PLA nano (MPa)
	1 ext	4 ext	8 ext	12 ext	16 ext	20 ext
$\overline{x}$	2687.24	3015.48	3025.65	2903.66	3043.93	2837.88
σ	50.00	69.52	71.36	77.62	52.26	54.76
n [%]	1.86	2.30	2.35	2.67	1.71	1.92