Sheet molding composites were prepared by using cast molding method and free radical polymerization of unsaturated polyester (palatal resin). Methyl Ethyl Ketone Peroxide (MEK.P) and cobalt octoate were used as catalyst and accelerator, respectively. To these composites, transition metal salts CoCl 2 6H2O, NiCl2 . 6H2O, FeCl2 . 2H2O, FeSO4.7H2O and NiSO4 .6H2O were added to form polymer blends. Polyol was added to the same composites as a liquid cross-linking monomer to produce copolymer blends as shown in Table (2.1). Electrical properties: impedance Z, dielectric Constant €, loss factor € agent of loss angle(€) and conductivity σ were measured for all composites. Every composite prepared gave good electrical properties of its own which might be of use in industry. The type of the salt used in the composites and its concentration played an important role in determining the electrical properties. Ultraviolet and infra-red measurements were carried out of characterization of the composites. Texture morphology of the composites was studied using hot-stage polarizing microscope to know the dispersion of metal salts in micro domain structure the polyester.