DIN ISO 3781 determination of wet breaking load after immersion in water, calculation of relative wet strength relating to initial strength of paper conditioned under standard climate.
Test Method Group: Mechanical properties
Norms:
DIN ISO 3781 (2012-07) Paper and board – Determination of tensile strength after immersion in water
DIN EN 868-4-B (2025-09) Packaging for terminally sterilized medical devices – Part 4: Paper bags – Requirements and test methods
DIN ISO 1924-3 (2007-06) Paper and board - Determination of tensile properties - Part 3: Constant rate of elongation method (100 mm/min)
DIN EN ISO 1924-2 (2009-05) Paper and board – Determination of tensile properties – Part 2: Constant rate of elongation method (20 mm/min)
Required Sample Amount: approx. 0,1 - 0,2 m² or 2 DIN A 4 sheets, minimum sample width resp. length 150 mm, optimum: paper samples over total material width, e. g. approx. 2 linear meters for a film width of 0.5 m
