Clay Coated Board White Duplex Board With Grey BackPaper Type:China Supplier White Coated Carton Duplex Paper Board Roll, Gerson Duplex BoardUse:Printing and PackageCoating:CoatedCoating Material:KaoliniteCoating Side:Single SideCompatible Printing:Offset PrintingFeature:Moisture ProofPulp Material:Mixed PulpPulp Style:RecycledPulping Type:Chemical-Mechanical PulpPlace of Origin:Zhejiang, China (Mainland)Brand Name:GERSON duplex boardModel Number:Duplex BoardPaper Board Caliper:300-620umPaper Board stiffness CD:2.6-15.5Brightness:≥80%Printing Glossy:≥80