Table 3. Atomic Composition Ratio (%) of the EPDM Rubber according to Treated Microwave for Different Time

C1s O1s S2p
E0 80.93 11.98 1.67
E3 82.76 11.78 1.31
E5 87.97 13.91 0.21
E10 88.91 17.58 0.05