Jul 12, 2001 #1 floosh Chemical Jul 12, 2001 10 any polymeric sheets that are selectively permeable to water but not to larger (50-150 m.w.) gas molecules?
any polymeric sheets that are selectively permeable to water but not to larger (50-150 m.w.) gas molecules?
Dec 10, 2001 #2 polimers Materials Dec 10, 2001 4 Hi, the barriers propiertyes of polymers are limited,but if you for example, one lamination with aluminium foil + polymer ,have excelent barriers al oxigen,co2 an another gases.But only materials polymeric is very dificult. Upvote 0 Downvote
Hi, the barriers propiertyes of polymers are limited,but if you for example, one lamination with aluminium foil + polymer ,have excelent barriers al oxigen,co2 an another gases.But only materials polymeric is very dificult.
