This standard specifies the method to determine the mass of the water vapour transmitted through the adhesive tape under specific test conditions.detaiils of the test method depend upon the width of the adhesive tape under test. For adhesive tapes less than 50 mmwidth it is necessary to use annex A(normative)
EN 12023:1996 history
1996EN 12023:1996 Self adhesive tapes - Measurement of water vapour transmission in a warm humid atmosphere