board paper 1.55-120gsm 2.In sheets or in reel 3.High brightness 4.Used for making notebook,book etc Duplex board with grey back 1.Wood free offset printing paper 2.100% wood pulp 3.Substance: 58gsm, 60gsm, 70gsm, 75gsm, 80gsm, 85gsm, 90gsm, 100gsm, 110gsm ,120 gsm4.Brightness: 96%-98%, 96%-94%, 92%-94%, 90%-92%, 88%-90%, 86%-88% 5.Size: 70x100cm, 60x90cm, 61x86cm, 787x1092mm or 889*1194mm 6. ...