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Product name:Copy paper GSM:*0/*5/*0GSM in weight Size:8.5**1(**6mm***7), A4(**0mmχ**7mm), 8.5**3 A3(**0mm***7mm), (**6mm***0mm) there are two quanlity: ***** wood pulp(ordinary quality, and ordinary brightness) 2.**0% wood pulp (Super quality, and super brightness) As for their quality, there are two quality which depend on its brightness *8%***2% brightness(super quality, super brightness) **6%-%**8 brightness(high super quality, high super brightness) specifications: super premiun multi-purpose A4 papers no recycling Basic weight:*0, *5, *0g/m2 Whiteness:>*8% Thickness:******0um surface roughness TSml/min:*****5 surface roughness BSml/min:******0 opacity:>*4% brightness:**1%***4% CIE whiteness:******2