The value of charge currnet, discharge current, Er' Er", residual voltage was measured inorder to investigate electric properties in Ethylene Prophylene Rubber for is irradiated C0 60γ ray 0~38.1 Mrad. The value of charge current and the discharging current of the EPR is influenced by C060 -γ - irradiation dose. The charging current and the discharging current of EPR increas, depending on the ratio of degradation. As the irradiatin dose is increased, the peak of residual voltage moves to the slorter time. The properties specific electric constant due to time variation was appeared dispersion by plentiful C060 - γ - irradiation dose. The increase of peak in Er" is attrib uted to the irratiation dose almost proportionally.

Abstract
 I. 서론
 II. 본론
  2.1 실험시료
  2.2 실험장치 및 실험방법
  2.3 실험결과 및 검토
 III. 결론
 참고문헌

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