Matika Mankewit BANGKOK

tech data of the copy paper for customer's reference:  basic weight: 70 , 75 , 80g/m2, size : 70 , 75, 80gsm 8.5*11, a4, 8.5*13, a3, 11*17, 17 x 13.5inches . moisture 3.5%-4.5%, whiteness: >98% thickness: 103-110 um   surface roughness ts ml/min: 75-175 surface roughness bs ml/min: 100-200 bending stiffness md: >110 mn bending stiffness cd: >50 mn opacity: >94%        brightness: 101-104% cie whiteness: 148-15 cobb test: 27-33 g/m2  27-33 .