Quality(The
proportion of wood pulp)
Imported
wood pulp 70%Domestic
wood pulp 30%
Whiteness (%) is
greater than
102-104
Coefficient of
Opacity (%) is greater than
90
Opacity
(%) is greater than
recto25
wire
side20
recto and wire
side deviation is less than(s)
30
size
resistance(mm)is greater than
0.75
Ash
content(%)
16---18
Moisture
content(%)
4.5---5.5
Density
(g/cm3) less than the
0.75
Surface strength
(m / s) is greater than
1.0
Dust
degree (a / m2) is less than
(0.2—1.5)mm2
50
greater
than1.5mm20
Substance(gsm)
70/75/80
substance
deviation is less than(g)
2.5
thickness(um)
10.0—11.0
thickness
deviation is less than (um)
0.5
Packing
500
sheets per ream, 5 reams per carton(box)
Load
Qty(20ft)
GSM
A4
A3
Letter
size
Legal
size
80gsm
7800
reams
3900
reams
8000
reams
6300
reams
75gsm
8000
reams
4000
reams
8400
reams
6500
reams
70gsm
8200
reams
4100
reams
8800
reams
6700
reams