The objectives of this paper are to study of characterization of bio-foam composite mixture of kenaf (Lignocelluloses natural fiber). In this study, kenaf have been produced as a kenaf polymer composite (KPC) mixed with polymer resin namely polyurethane (PU). The target density for the KPC is 200kg/m3. The kenaf fiber composition in the KPC is prepared in seven different filler percentages which are 0/100, 5/95, 10/90, 15/85, 20/80, 25/75 and 30/70%wt of kenaf fiber resin/composite binder. The

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... omposite sample was tested for its mechanical properties through compression, density and porosity test. The optimal percentage of kenaf fiber content should be less than 30wt% to get the best result on mechanical properties, where higher than that the natural fiber becomes less absorbed and the inner structure is clogged with the filler content. Based on the result of this research, the improvement could be done by add the temperature during experiment, structure cladding with other types of fibre particle concrete, sample prepared with different resin and below high pressure to obtain high density value and different surface of shape wall panel such as triangle or dwi flat.