copy paper

详情

COPY PAPER SPECIFICATION This product is made from **0% wood pulp. ITEMS UNIT *0GSM Basis weight g/m2 *0±2 Thickness um ≥**5 Smothness s *5±5 Brightness % ≥*6 Opacity % ≥*1 Cobb g/m2 ≤*0 Moisture % 5±0.5 The specification fefers to an average of a composite sample withdrawn from a lot with random sampling according to ISO **6:***2 Testing conditions: Relative humidity *0%, Temp.*3℃ ISO **7:***0 Testing methods: Thickness measurement on single sheets ISO **4:***8 Surface roughness according to Bendtsen ISO *****2:***0 Water absorbanoy Cobb according to ISO **5:***1 D**-Brightness according to ISO ***0:***9 Opacity according to ISO ***1:***8 Whiteness according to ISO ****5:***9