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ASTM E398-20

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ASTM E398-20

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Standard Test Method for Water Vapor Transmission Rate of Sheet Materials Using Dynamic Relative Humidity Measurement
standard by ASTM International, 06/01/2020

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Description

1.1 This test method covers dynamic evaluation of the rate of transfer of water vapor through a flexible barrier material and allows conversion to the generally recognized units of water vapor transmission (WVT) as obtained by various other test methods including the gravimetric method described in Test Methods E96/E96M.

Product Details

Published:
06/01/2020
Number of Pages:
5
File Size:
1 file , 100 KB
Redline File Size:
2 files , 210 KB