Jul 12, 2001 #1 floosh Chemical Joined Jul 12, 2001 Messages 10 Location US I'm looking for a material that is permeable to water vapor but impermeable to larger gas molecules (50-150 m.w.) and potentially impermeable to toxic/hazarodous fumes/gases.
I'm looking for a material that is permeable to water vapor but impermeable to larger gas molecules (50-150 m.w.) and potentially impermeable to toxic/hazarodous fumes/gases.