[Paladin2]

Hydrogen is VERY small and difficult to contain with containers made of larger atoms and molecules.

[cynwoody]

Hydrogen is VERY small and difficult to contain with containers made of larger atoms and molecules.

For some reason, in that regard, Mylar is very superior to latex.

Both Mylar and latex are made of hydrocarbons, much larger molecules, but for some reason Mylar works better containing hydrogen.