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1. (WO2017148921) HIGH-STRETCH SACKPAPER

Pub. No.:    WO/2017/148921    International Application No.:    PCT/EP2017/054605
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Wed Mar 01 00:59:59 CET 2017
IPC: D21H 25/00
D21H 27/10
D21F 5/00
D21G 9/00
Applicants: BILLERUDKORSNÄS AB
Inventors: NORDLING, Nils
OLOVSSON, Magnus
ZAKRISSON, Robert
Title: HIGH-STRETCH SACKPAPER
Abstract:
There is provided a sack paper, wherein: the grammage according to ISO 536 is 50-140 g/m2, such as 70-130 g/m2; the Gurley value according to ISO 5636-5 is 15 s or lower, such as 13 s or lower; and the stretchability according to ISO 1924-3 in the machine direction is above 10 %, such as above 11 %, such as above 12 %. A method for producing the sack paper is also provided.