... 70g 75g 80g 5.100% virgin woodpulp A4 paper1, 70, 75, 80gsm, 2.Size:A3, A4, B4, B5, 8.5"x11", 8 ... .5-10reams/carton5.Supply OEM service.6.Be used for Photocopy Machines, laser Prints, Ink-jet Printers, Fax MachinesPHYSICAL TESTUNITSPECIFICATIONGrammageg/m2707580Thickness ... ~7Wax pickingA≥14UsageOfficePacking500sheets/ream, 5-10reams/carton. Packing: For sheets paper :500sheets/ream, 5-10reams/carton ;