Is applicable to board as well as to paper, provided that an apropriate soaking time is agreed between the interested parties. Sampling shall be according to ISO 186, conditioning according to ISO 187 and the determination of tensile strength according to ISO 536.
ISO 3781:1983 history
2011ISO 3781:2011 Paper and board - Determination of tensile strength after immersion in water
1983ISO 3781:1983 Paper and board; Determination of tensile strength after immersion in water
1976ISO 3781:1976 Title missing - Legacy paper document