350/450GSM Coated Duplex Board Paper with White BackModel NO.: White Back PaperEffect: Packaging FunctionFolded: FoldedSurface Layer: Duplex BoardMaterial: PaperGrade: AAAStructure: Surface LayerOrigin: ZhejiangProduct Description350/450GSM Coated Duplex Board Paper with White Back gram weight(g/m2)&price(USD/ton)350/450--$670Feature1.High surface flatness2.Thick high-weight product with strong stress resistance and stiffness3.Good uniform inking and ink fixation drying effect 4.Surface gloss glazing to improve water resistance and uniformity. 5.High quality printingApplication & UsesIt can be made directly to the finished product