JK copier A4 80 gsm natural copy papers

Specification :

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
brightness : 102%
- 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 %

packing details
500 sheets per ream.
5 reams per box.
1560 boxes per 20ft container (with pallet).
1600 boxes per 20ft container (without pallet).
7800 reams total in one 20fcl (with pallet).
8000 reams total in one 20fcl (without pallet).

features and benefits
perfect for high-quality printing and copying
super high whiteness produces outstanding clarity and contrast for all
graphics and text precision-cut edges for trouble-free performance
user-friendly box design with built-in handle for easy carrying, tear
slot perforation for easy access to the reams and label for filing