Whiteness = 102-104%,Natural WhiteCapability: High Speed Copying 100ppm, LaserCapable,Inkjet Capable, Fax Capable.KEY PERFORMANCE:No jam in photocopy machineNo double feedStay flat after copyingLeave no dust in the copy-machineNice appearance-white and cleanNice touch-smooth and bulkyNo see through-print both sidesBeen developed for : Photocopy Macmoisture copy is not clear, wrinkle, and tightness caused by not enough cardboard phenomenonc, with the basis weight of paper feel a little thin, that tightness and processing of high level moisture is excellent, smooth and high, the more clear copy.Basic parametersPackage Quantity 500 / pack 8 packs / boxSuitable for a variety of copiers, printersITEMSUBSTANCETHICKNESSTHICKNESS DIFFERENTOPACITYWHITENESSCOBB 60SASHDATA70-80�?95-110?0.02?95CIE167230+/-100ML9-15UNITGSMMMMM%%GSM%