Table 3.

Final torque (TQ), melt viscosity (η), and power consumption (P) registered at processing of post-consumer rPP and its composites at 180 °C and 50 rpm.

Sample	Torque, TQ (Nm)	Melt Viscosity, η (Nm/rpm)	Power, P (kW)
rPP	30	0.6	0.157
rPP/SBS	36	0.72	0.188
rPP/SBS/GB 5	35	0.7	0.183
rPP/SBS/GB 20	32	0.64	0.167
rPP/SIS	35	0.7	0.183
rPP/SIS/GB 5	34	0.68	0.177
rPP/SIS/GB 20	29	0.58	0.151