AAA Quality Duplex Board White BackAvailable Grammage of our AA Quality 250gsm300gsm350gsm400gsm450gsm500gsmAdvantages: *High stiffness, support for carton lamination, die-cutting. *Perfect surface coating, surface smoothness, stable ink absorbability makes excellent printing  result.*Suitable for 4/6/8 or any color and full color high speed printing.*Widely used for tissue paper boxes, carton lamination, tool boxes, toy boxes.Type: Sheets and Rolls Sheet Size: 711x118cm, 70x90cm, 80x105cm, 65x90cm, 79x109cm etcRoll size: 55cm, 65cm, 102cm, 79cm, 105cm,110cm ….etc Package:Sheets: PE film wrapped on strong wooden pallets, 4 angles with strong protector.Rolls: Kraft paper wrapped on outside.Ream: 100pcs/ream wrapped with strong kraft paper on strong wooden pallets, 4 angles with strong protector.Container Loading:20'ft container/sheets: around 18 tons 20'ft container/rolls: around 16 tons 40'ft container/sheets or rolls: around 25 tons Business Term:Payment: By T/T, L/C at sight Delivery time: 20days after down payment Minimum order: 20tons Samples: Free A4 size sample available, freight collect. TECHNICAL DATA Grammage(gsm)250gsm~500gsmStiffness (CD)(mN.m)≥2.7~13.4Brightness(%)≥80Bending Test (CD)times≥15Printing Surface Intension(m/s)≥1.5Ink Absorbency(%)18.0~32.0Moisture(%)6.4~9.6