TAPPI/ANSI T 448:2009(R2021)
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Water vapor transmission rate of paper and paperboard at 23°C and 50% RH
Hardcopy , PDF
English
14-10-2021
23-07-2026
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.
| DocumentType |
Standard
|
| Pages |
5
|
| PublisherName |
Technical Association of the Pulp & Paper Industry
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
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