本文件规定了四种方法，用于测定有机电子器件（如有机发光二极管和有机光伏电池）边缘密封用粘合剂横截面的水蒸气透过率。 这些方法可以在很大范围内快速测量水蒸气的透过率。

This document specifies four methods for determining the water vapour transmission rate through the cross-section of an adhesive for edge seal in organic electronic devices, such as organic light emitting diodes and organic photovoltaic cells. The methods provide rapid measurement over a wide range of water vapour transmission rates.