TAPPI/ANSI T 448:2009(R2021)
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Water vapor transmission rate of paper and paperboard at 23°C and 50% RH
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
14-10-2021
This method provides for the gravimetric determination of the water vapor transmission rate (WVTR) of sheet materials at 23C with an atmosphere of 50% RH on one side and a desiccant on the other.
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