Composite packaging protection board
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The composite outer protective sheet is composed of a sheet layer, an intermediate layer, and a foam layer. The sheet layer, middle layer and foam layer are adhered to each other by an adhesive. The sheet layer is a thermoplastic sheet material of PVC, PP and PE, the middle layer is a plastic braided material or a non-woven fabric material, and the foam layer is a plastic foam material. Made up of. The composite outer protective sheet has good impact resistance, shock absorption, cushioning properties, and has good toughness, tear resistance, good rainproof performance and high strength.