Double A copy paper A4 80 gsm

Brightness: 102-104%(class A) size: a4 weight: 80 gsm size: 210mm x 297mm, brightness: 102-104% wood pulp: 100% wood pulp color: white whiteness: cie167 capability: high speed copying100ppm, laser roughness: 140ml/min. surface roughness ts ml/min: 75-175 surface roughness bs ml/min: 100-200 bending stiffness md: 110 mn bending stiffness cd: >50 mn thickness : not lees than110 um density : 0,72 g/cm3 roughness : ws 200~400 ml/min roughness : fs 200~400 ml/min opacity: 95% not opacity : 86% cobb60 data : 30 g/m2 tensile md : 6.2 kg/15mm tensile cd : 2.5 kg/15 mm moisture : 4~7 %