| 摘要 |
PURPOSE: A packing corrugated cardboard with a waterproofing insulation layer and a manufacturing method thereof are provided to firmly pack a packing box through the buffering performance and durability of a corrugated cardboard and to maintain freshness even if the packing box is transferred or stored for a long time by continuously attaching foaming sheet layers inside the packing box. CONSTITUTION: A packing corrugated cardboard with a waterproofing insulation layer comprises a corrugated cardboard material(10), a foaming sheet paper(20), and an adhesive layer. The foaming sheet paper is attached to at least one side of the outer surface of the corrugated cardboard material. The adhesive layer is fixed by attaching the corrugated cardboard material and the foaming sheet paper. |
