Table 1.

Characteristics of the extruded filaments.

Nomenclature	PET Fraction [wt%]	HDPE Fraction [wt%]	Color	Diameter [mm]
E-PET0	100%	0%	Transparent	1.72 $\pm$0.03
E-PET2	98%	2%	Grey	1.75 $\pm$ 0.04
E-PET5	95%	5%	Yellow	1.76 $\pm$ 0.03
E-PET10	90%	10%	Orange	1.71 $\pm$ 0.06