The research includes the investigation of thermal Conductivity for Graphene nanocomposite. Nano grapheme (6-8 nm) has been prepared with different weight ratios (1%, 2%, 3%, 4%,5%) with epoxy. All samples prepared by Hand lay-up method and measure the value of thermal conductivity by Lee disc method. The result show that increased the weight fraction of Graphene will gradually increase of the thermal conductivity coefficient (K) of Graphene and the maximum value for thermal conductivity at 5%

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... K= 1.861 watt/m 2 .kelivn). Introduction Nanocomposite are compounds that show at least one of the stages dimensions in the nanometer range (1 nm = 10-9 m). Nanocomposite materials emerged as suitable substitutes to overcome the limitations of micro composite and monolithic [1]. Polymer nanocomposite are compounds that have a dimension of less than 100 nm. These nanocomposites have characterized unique and interesting properties that distinguish them from other materials. A small volume of filler leads to a significant increase in the interior area compared to traditional composite materials [2]. Nanocomposite are a very good alternative to traditional composite materials because the distinct properties and to find a wide range of applications in various fields. Nanocomposite systems containing carbon nanotubes have been the subject of modern research and development since their discovery in 1991. Nanocomposite are substances that add Nano-filler components to improve the properties of the resulting materials. Nanocomposite consists of two or more different components or phases that have different physical and chemical properties, separated by a distinct interface [3]. Thermal conductivity of polymers are important thermal Properties for both polymer applications and processing. Most of the materials have a good conductivity such as metals, while others have very little connectivity such as polymers [4]. Thermosets is a compound that has thermal conductivity due to their easy molding capability and high thermal resistance.