Table 1.

Processing parameters of the filament extrusion.

	Filament 1	Filament 2	Filament 3	Filament 4
Inlet/°C	30	30	30	30
Heating zone 1/°C	150	160	160	160
Heating zone 2/°C	220	225	225	225
Heating zone 3/°C	210	225	225	225
Heating zone 4/°C	210	220	220	220
Heating zone 5/°C	200	215	210	210
Heating zone 6 (die)/°C	200	210	205	210
Pulling speed/m/min	13.00	12.50	12.75	12.75