Helium and water vapor diffusion coefficient in epoxy  

Posted by Jian Sun on January 09, 2007 at 19:08:08:

To whom will concern it:

I am looking for diffusion coefficient values for Helium gas and water vapor in epoxy resin and epoxy composite building materials at room temp (25c). Also I notice that the unit for permeability in volume is m2/s, how shall I calculate the total volume per second with given thickness and area of epoxy?


Jian Sun

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