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sandwich material
3D|CORE™ is a patented honeycomb structure that is incorporated into a closed-cell PET or XPS foam core. The honeycombs, which are connected to each other by small webs, run through the entire foam core and enable a high degree of flexibility in the core. There are cavities between the individual honeycomb foam bodies, which are filled with a matrix consisting of synthetic resin, among other things, and support the filling process as an integrated flow aid.