A4 Specification:
|
|
Whiteness (%) is greater than |
102-104 |
Coefficient of Opacity (%) is greater than |
90 |
|
recto25 |
wire side20 |
|
recto and wire side deviation is less than(s) |
30 |
|
0.75 |
Ash content(%) |
16---18 |
Moisture content(%) |
4.5---5.5 |
|
0.75 |
Surface strength (m / s) is greater than |
1.0 |
|
(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 |