EM heating is an alternative to the hot platen pressing with high efficiency and effectiveness. During the conventional hot platen pressing, heat is sequentially transferred from the platen to the panel core primarily through heat conduction and convection[28,29]. The densities of the pressed composites across the verticaldirection are usually non-uniform, i.e. higher density in the surfacelayers and lower density in the core. This well-known vertical density profile (VDP) is a result of the temporal and spatial interactions between heat and mass transfer and of elements consolidation [28].Hot platen pressing requires extremely long times for heat to transfer from the surface to the core, particularly when pressing thick composites. However, in EM heating, the energy directly trans-ferred into the composite is absorbed by the asymmetric moleculesand transformed into heat [30]. Therefore, the heat transfer is notjust relying on the conduction from the composite surface duringHF hot pressing, which results in faster moisture moving, more uni-form resin cure and elements consolidation, leading to a quickerand more efficient hot-pressing process