plsatic honeycomb sandwich panel: light weight with stiffness strength sound dampen energy absorption; anti-corrosion Polycore is ... expert manufacturer,main products are PP honeycomb,PC honeycomb, sandwich panel,non-woven roving fiberglass PP honeycomb composite board,PC sheet ... of the honeycomb to different surface panel. In addition to the tissue, honeycomb can laminated with a layer of PP film . ...