... ,A3 3. Brightness:94%-96,98%-100%,102%-104%We are a professional manufacturer of Office ... are two quality which depend on the brightness ,1. 98%-102% brightness ( super quality ,and super brightness),2 ... (8.5x14)Base Weight80gsm, 75gsm, 70gsmWhiteness98-100%, 102-104%Packing500 sheets per ream, 5 reams per ... and tightness caused by not enough cardboard phenomenon c, with the basis weight of paper feel a ...