Abstract: The addition of filler materials to a polymer is a common practice to improve strength, stiffness, toughness, hardness, conductivity, wear resistance, as well as reducing the processing cost significantly. In this study the effect of waste graphite as a cost effective reinforcement in epoxy matrices for improving the mechanical properties was investigated. As the graphite content increased bending modulus, hardness and bulk density increased and bending strength and total porosity decreased.