COSMO COMPOSITE PANELS || The composite panels, also known as sandwich panels, are elements made up of two strong layers, known as skins or faces, distanced from the core, a connective material. The core is made up of a lightweight material whose function is that of distancing the skins, designed to resist the loads of the surface. The materials used are foams such as Pu, PVC, PET or honeycomb cells in aluminium, polypropylene, etc.