Division 2 For the purposes of subheadings 4804 21 and 4804 29, ‘sack kraft paper’ means machine-finished paper, of which not less than 80 % by weight of the total fibre content consists of fibres obtained by the chemical sulphate or soda processes, in rolls, weighing not less than 60 g/m2 but not more than 115 g/m2 and meeting one of the following sets of specifications:
United Kingdom
- (a)
having a Mullen burst index of not less than 3,7 kPa·m2/g and a stretch factor of more than 4,5 % in the cross direction and of more than 2 % in the machine direction;
- (b)
having minima for tear and tensile as indicated in the following table or the linearly interpolated equivalent for any other weight:
Weight (g/m2) Minimum tear (mN) Minimum tensile (kN/m) Machine direction Machine direction plus cross direction Cross direction Machine direction plus cross direction 60
700
1 510
1,9
6
70
830
1 790
2,3
7,2
80
965
2 070
2,8
8,3
100
1 230
2 635
3,7
10,6
115
1 425
3 060
4,4
12,3