Table 2.

Material properties of the PP 500P and titanium dioxide [24,25].

Material Property	PP	TiO2
Density [kg/m3]	905	4100
Bulk density [kg/m3]	550	700
Melt mass flow rate (230 °C, 2.16 kg) [g/10 min]	3.0	-
Average particle size [µm]	3500	0.2