This standard specifies the method for determining the moisture permeability of fabrics by the moisture permeability cup method. This standard includes two methods: method A moisture absorption method and method B evaporation method. Method A is used for arbitration. This standard applies to all types of fabrics, including moisture-permeable coated fabrics.
GB/T 12704-1991 history
2009GB/T 12704.1-2009 Textiles.Test method for water-vapour transmission of fabrics.Part 1:Desiccant method
1991GB/T 12704-1991 Fabrics--Determination of vapour transmission rate--Dish method