1- VISUAL PROPERTIES - Paper has good and even formation, without cloudy appearance in look through.- Optical properties (brightness, colour) are at customer’s requests and must be uniform in all paper rolls of a purchase order.- Paper has no wrinkles, swells, holes, creases or edge cuts. 2- PHYSICAL PROPERTIES NOPROPERTIESUNITSSTANDARD LEVELSTEST METHODS1Basic weightg/m2(70; 80) ± 1TCVN 12702Bulkkg/m³≥ 700TCVN 36523Moisture%7 ± 1TCVN 18674Brightness%≥ 90TCVN 18655Opacity%≥ 85TCVN 67286Cobbg/m²≤ 26 ± 2TCVN 67267Roughnessml/min≥ 250TCVN 32268Ash content%≥ 12TCVN 18649DustDust area (biggest size)ppmmm²≤ 10≤ 0.3TCVN 186810Average tensile index (MD and CD)Nm/g≥ 40TCVN 186211Surface sizingg/m²1.4TCVN 7069 3- PACKING: 500 sheets/ream; 5 reams/carton box.
ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea
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