ISO 769:1972Withdrawn

Fibre building boards — Hard and medium boards — Determination of water absorption and of swelling in thickness after immersion in water

Panneaux de fibres — Panneaux durs et mi-durs — Détermination de l'absorption d'eau et du gonflement en épaisseur après immersion dans l'eau

Abstract / scope

Covers sheet materials as classified and defined in ISO 818. The specified method includes the calculation of the increase in mass and thickness. Apparatus, sampling and preparation of specimens, and testing are described.