Tubing selection guide- chemical resistance and gas permeability

[SanPancho]

thought i'd post this as i came across it looking for some other information on some tubing i was looking to buy. at home the chem compatability isnt super important, but i thought the gas permeability figures were cool and somewhat shocking in a few cases- looking at you silicone!

tubing selection guide

 

[Gruel]

Isn't beer a weak acid? So bev-a-line only gets a B for that? Little damage?