Cell open PC honeycomb 1, Light weight & high strength. 2, anti-water anti-mildew. 3, environmental friendly. 4, easy instal The energy-efficient laminboard FRP honeycomb panel is made by resin fiberglass covered PP8 or PP10 honeycomb core for yacht, dry cargo box and sandwich construction etc. which need lighten the high-strength of their weight.Hot cutting PP12 honeycomb is hexagon Cellular ...