Table 4. EDS Results on the EPDM Surface Before and After Microwave Irradiation

Element Carbon (%) Oxygen (%) Sulfur (%) Calcuim (%)
E0 87.65 4.99 1.11 1.46
E3 86.23 9.35 3.57 0.85
E5 77.12 5.50 15.06 1.96
E10 66.12 3.66 28.73 1.49