NEN ISO 5626 : 2000
Current
The latest, up-to-date edition.
PAPER - DETERMINATION OF FOLDING ENDURANCE
12-01-2013
Gives the methods for the determination of folding endurance of paper using Koehler-Molin, Lhomargy. MIT and Schopper testers. The principle of the method is folding backwards and forwards in a standardized manner of a narrow strip of paper subjected to a longitudinal stress, until it breaks.
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