Posted by jimbarber on July 01, 2004 at 02:04:45:

In Reply to: Re: PVC/Rn222 diffusion posted by Diffusion in Polymers on June 09, 2004 at 17:26:44:

:Had a section of 30 mil (.000762 m) plyable PVC tested (thrice) by a "solid" lab which resulted in a diffusion coefficient with an avg. (tightly ranged) of about

6.5E-12 m2/s

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