copy paperA4 copy paper 70, 75, 80GSM1.Weight of paper:70, 75, 80GSM 2.Bgihtness of paper: 94%-104% white and smooth, low content of water • can't see through-print both sidesGlycerinItemSpecificationContent99.7%specific gravity 25/251.2490tints (α)<20Residue on ignition<0.01%Moisture<0.5%Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.