Basic InfoModel NO.:duplex boardFeature:GreaseproofUsage:Gift Wrapping PaperCoating Material:Wood PulpPaper Type:Duplex BoardWeight:230-450gCoating Side:Single SideQuality:ADecorative Pattern:Matt Coated PaperGloss:Semigloss PaperPulp Style:RecycledWine Labels:Classical White PaperPackage:Standard Export PackingSpecification:ISOTrademark:TianhongOrigin:ChinaSubstance:230-450GSMColour:Grey Back, White BackCaliper:290-570umWhiteness:80% ISOCobb Coating Side:50G/M2Cobb Uncoating Side:100G/M2Stiffness:50-220g*CmSmoothness:70sMoisture:6-8%Size:Sheets & Reels OEMHS Code:48003200Production Capacity:3000 Tons Per Month Coated Duplex Board Grey BackDescription:1. )Duplex Board for carton, boxe, file cover, courier envelopes converting as well as other stationery & packing application purpose, quality Duplex Board2. )Substance: 230-450GSM3. )Size: Both in sheets or in reels OEM available4. )Coating: Single side coating with grey back; Double side coating with white back5. )Printing: Colourful offset printability6. )Grade: AA grade, A Grade, B gradeCoated Duplex Board Grey BackFeatures:1. )Professional quality ISO control system2. )Strong stiffness and strength3. )Stable ink absorbability and rich printing dots4. )Grey back and white back5. )Standard export packingParameterUnitValueSubsgsm230-450Coating grey back, white backBrightness%≥80 ISOStiffness MDg/cm50-220Smoothnesss≥70COBBg/m2≤50Moisture%6-8 contract way:Victor lee whats app &wechat:+86 18668435158skype: leevictor19_1