This standard specifies the determination of the water vapor permeability of plastic materials in a test cup filled with a desiccant. This standard applies to the determination of the water vapor permeability of plastic films (including composite plastic films), sheets and artificial leather.
GB/T 1037-1988 history
2021GB/T 1037-2021 Test method for water vapor transmission of plastic film and sheet—Desiccant method and water method
1988GB/T 1037-1988 Test method for water vapor transmission of plastic film and sheet--Cup method