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TM204-TM 204 Water Vapor Transmission of Textiles

TM204-TM 204 Water Vapor Transmission of Textiles

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PURCHASED TEST METHODS ARE DELIVERED AS A LINK IN YOUR EMAILED RECEIPT.

 

AATCC TM204-2015, Water Vapor Transmission of Textiles

 

Developed in 2015 by AATCC Committee RA63.(editorially revised 2016; reaffirmed and editorially revised 2017)

 

Foreword

  This test method is similar in concept to other "upright cup" methods; however, it was developed specifically to evaluate comfort of vapor permeable textiles used in outdoor products. The temperature differential between the heated bath and the ambient air creates a driving force to promote water vapor transmission. This driving force is likely greater than in actual use, but it serves as an effective condition to differentiate materials by their water vapor transmission performance. Measuring water vapor transmission through test fabric as a percentage of transmission through control paper improves precision of the results, even with small fluctuations in test time or temperature. The control paper can also serve as a verification tool to ensure consistent results.

 

1. Purpose and Scope

   1.1 This test method is used to determine the relative rate of water vapor transmission of textiles.

 

Copyright 2017 American Association of Textile Chemists and Colorists, RTP, NC, USA. All rights reserved.

 

The above information is only a summary of the AATCC test method.


Member/List Price: $50.00 / $70.00

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Member/List Price: $40.00

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