copy Paper for office usage

Size : 210mmx297mm(A4) 216mmx279mm(8.5*11) ,216mmx330mm(8.5*13),
Gram:80gsm,75gsm,70gsm
Brightness: 95%-96%,98%-102%,106%-108%
Wood pulp: 100% actual wooden pulp (woodfre)
Package: 500sheets/ream, 5reams/carton 7800-8250reasms/20GP without pallet
Delivery date : within 10 days  .
Specification for Copy Paper
Item 75 GSM 8.5X 14
Material wood pulp %  
CEI Whiteness 148-152
Whiteness > >98%
Brightness % ≥ 101-104%
Opacity %≥ >94
Smoothness Front  ≥  
Smoothness Back  ≥  
Surface Roughness TS ml/min 75-175
Surface Roughness BS ml/min 100-200
Bending stiffness MD > >110Mn
Bending stiffness CD > >50Mn
Variation of two sides % ≤  
Sizing (mm) ≥  
Ash %  
Moisture content % 3.5-4.5
Tightness (g/cm3) ≤  
Surface strength (m/s) ≥  
Dust / Dirt (piece/m2) ≤  
PH Value  0A
COBB Test g/m2  27-33
Surface absorption g/m2    
Fracture length km