The purpose of these tests is to obtain, by means of simple apparatus, reliable values of water vapor transfer through permeable and semipermeable materials, expressed in suitable units. These values are for use in design, manufacture, and marketing. A permeance value obtained under one set of test conditions may not indicate the value under a different set of conditions. For this reason, the test conditions should be selected that most closely approach the conditions of use.
WJE laboratories are accredited by ANAB (ISO/IEC 17025) to perform testing standard ASTM E96 for Water Vapor Transmission of Materials.
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KeywordsASTM E96 - Fiberboards - Gypsum Products - Paper - Paper and Paper Products - Physical Process - Plastic Film, Sheet, and Tapes - Plastic Films - Plastics Products - Sheet Materials - Water Vapor Transmission
ICS CODE77.040.99 (Other methods of testing metals)
ASTM E96 / E96M-16, Standard Test Methods for Water Vapor Transmission of Materials, ASTM International, West Conshohocken, PA, 2016, www.astm.org