Letter(8.5"*11")/Legal size (8.5"*14") copy paper

Size : 70 ,75,80GSM 8.5*11,A4,8.5*13,A3,11*17, and foolscap paper sheet is 17 x 13.5inches (432x343 mm) .
Gram: 80gsm&75gsm&70gsm 
Brightness: 94%~108% 
Wood pulp: 100% wood pulp 
H.S code :4802560090
Performance: multi-purpose, can be used for fax machine, laser printing machine and so on; can be printed on both sides without problems; no curl; no jam Place of origin: China Package: 500sheets/ream, 5reams/carton or 10reams/carton,
Loading : 7800-8000reams/20'container.
Item 80 GSM 8.5X11 
Material wood pulp %   
CEI Whiteness 148-152 < /TR>  
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 
< B>Tightness (g/cm3) ≤   
Surface strength (m/s) ≥< /SPAN>   
Dust / Dirt (piece/m2) ≤  < /SPAN> 
PH Value   
COBB Test g/m2  27-33 
Surface absorption g/m220   
Fracture length km   
Substance (g/m2) GSM 80 
Substance variation CD (g) ≤   
Thickness (um) 10.3-11.0 
Thickness difference CD (um) ≤