A4 copy paper

specifications:sheet size:210mm x 297mm, international size a4quality: imported 100% virgin wood pulpwhiteness = 102-104%, natural whitecapability: high speed copying100ppm, lasercapable,inkjet capable, fax capable.thickness: 103-110 umsurface roughness ts ml/min: 75-175surface roughness bs ml/min: 100-200bending stiffness md: >110 mnbending stiffness cd: >50 mncie whiteness: 148-152cobb test: 27-33 g/m2 27-33