duplex board white paper board in sheet/ roll duplex paper board grey backClay Coated Board White Duplex Board With Grey Back Advantages:* Duplex paper board widely used for printing and package for toy, wine, shoe boxes,    tissue box and express bag etc.* Duplex paper board support for carton lamination and die-cutting.* Strong stiffness and folding resistance, good printing ink absorbency and further       processed, with reliable and stable quality.* High surface intensity suitable for any kind famous brand of high-speed 4/6/8 colors   offset printing HEIDELBERG, ROLAND, LITHRONE.Clay Coated Board White Duplex Board With Grey Back Descriptions:Quality AAAQuality AAQuality AGram (gsm)Gram (gsm)Gram (gsm)230..230250250250280....300300300350350350400400400450450450Clay Coated Board White Duplex Board With Grey Back Production Line:- Machine width: 4400mm- Output: 800tons per day- Automatic sheets and rolls packing machine- QC inspection for every lot of goodsClay Coated Board White Duplex Board With Grey Back Package:- A&AA quality, rolls wrapped with waterproof film with strong  wooden pallet or without pallet.- Each roll with one protector around the edge.- AAA quality, rolls wrapped with strong kraft paper, packed with  automatic roll packing machine.Clay Coated Board White Duplex Board Grey Back Ream Package:- 100 sheets/ream, wrapped with strong kraft paper.- One ream one label.- Each corner with one protect angle.- Waterproof film wrapped on strong wooden pallet. - Pallet can be fumigation.