Property HDPE (7 wt%) Carbon (93 wt%) property of the mixture Mixture Density (kg/m3) 960 2185 ρm= 0.93 ρc+ 0.07 ρHDPE 2099 Thermal Conductivity (W/m.K) 0.25 0.14 0.1444 Heat capacity (J/kg.K) 2200 1000 Cpm=0.93 CpC + 0.07 CpHDPE 1084

Table 1: The physical properties of the samples used in Microwave Studio® (5 kg of carbon + 0.5 kg of HDPE).