A4 Copy Paper

Grade a 100% wood pulp:
1 substance g/m2 80 + - 2.5
2 substance variation cd g/m2 equal to/below 4
3 Thickness um 106-112
4 thickness difference cd % equal to/below 10
5 brightness % 100-102
6 opacity % equal to/below 90
7 breaking length average m equal to/above 3200
8 smoothness
Average of two sides g 20-25
Variation of two sides % equal to/below 30
9 surface absorbing weight g/m2 equal to/below 30
10 shrinking variation cd % equal to/below 2.8
11 folding endrance cd times equal to/more than 15
12 dirt (0.2-1.5 mm2) point/m2 equal to/below 65
More than. 5mm2 0
13 moisture content % 4.5-6.0
14 ash % equal to/below 16.0
15 sizing mm equal to/more than 0.75mm