1.Size:A4,8.5x11 Copy Paper 2.weight:80G, 75G,,70G 3.Brightness: 96-110% ... GSM: 55G,60G,70G,75G,80G,100G3. Size: A4, 8.5x11 ,216x279,840MMOur factory was set in 1995,and has 6 paper ... :170 Smoothness4. Whiteness :CIE1675.Thichkness: 105-110um6.Surface roughtness:75-175 7.No jam in photocopy machine8.Leave no dust ... Printers, Ink-jet Printers, selling high quality super white a4 paper copy paper 80gsm