Interesting discussion on gas diffusion in rubber


steve@btinternet.com
 


Medad rufus
 

interesting

On Thu, 6 Aug 2020 at 10:37, steve@... via groups.io <steve=btinternet.com@groups.io> wrote:
https://www.youtube.com/watch?v=yNmmX83xIGM&t=3m16s

not what I expected.