Paper and board — Measurement of hygroexpansivity — Part 1: Hygroexpansivity up to a maximum relative humidity of 68 %
纸和纸板——湿膨胀率的测量第1部分:最大相对湿度68%以下的湿膨胀率
Cancels and replaces the first edition (1985). Specifies a method for the determination of the hygroexpansivity of paper and board when subjected to a change in the relative humidity. Applicable to paper and board generally. Not suitable for crêpe papers and corrugated fibreboard.