In this study, Poly (vinyl alcohol) -Poly (ethylene glycol) (PVA-PEG) poly-blend and its composite with 5wt.% and different wt.% (2, 4, and 6) of Co3O4 films were synthesized using blend casting method.The characterization was considered such as; Fourier transforms infrared (FT-IR), electrical properties, and its application for gamma ray shielding.The electrical properties showed that the dielect...