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Honeycomb core material is impregnated synthetic resin (phenolic resin, polyester, etc.) of the kraft paper, aluminium and glass cloth, processed to glue into a hexagonal hollow (cellular) of the whole piece of core material. Commonly used panel for kraft paper impregnated resin, glass cloth or without resin impregnated plywood, fiberboard, gypsum board, etc. Panel must adopt suitable adhesive and the core material firmly together, can show the excellent properties of honeycomb panel, which is better than strength, low thermal conductivity and good vibration resistance and other functions.