This standard specifies the method to determine the mass of the water vapour transmitted through the adhesive tape under specific test conditions. Details of the test method depend upon the width of the adhesive tape under test. For adhesive tapes less than 50 mm width it is necessary to use Annex A.
DS/EN 12023:1997 history
1997DS/EN 12023:1997 Self adhesive tapes - Measurement of water vapour transmission in a warm humid atmosphere