Fibre building boards — Hard and medium boards — Determination of water absorption and of swelling in thickness after immersion in water
建筑纤维板.硬板和中板.浸水后吸水率和厚度膨胀的测定
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.