“…, w i and ρ i are the weight fraction and density of the component i , respectively. The density values of HDPE, LDPE, Nylon, kenaf fiber, Mg(OH) 2 , PEPA, and MWCNT have been, respectively, taken as 0.97, 0.92, 1.15, 1.13, 2.34, 2.14, and 2.0 gm/cm 3 .…”