writing paper: brightness:88-90% grammage:45gsm ,48gsm ,50gsm,52gsm, 55gsm,58gsm,60gsm,70gms,80gms Offset writing paper Specifications;1,The thickness:100G=0.12MM.The grammage is 60G/70G/80G/100G/120G.2,The width of the machine:3400MM-3450MM.0.55MM-1.00MM can make to be rolls.3,Density:0.62-0.65GSM24,Water propotion:12% (tolerance per pallet:±3% definitely)5,Smoothness:The standard condition of ...