Table 2.

Comparative barrier properties of polymers. Source: Artenius, UK (2008).

polymeroxygen (cc/mil/100 sqin/24 h/atm at 23°C and 50% relative humidity)carbon dioxide (cc/mil/100 sqin/24 h/atm at 23°C and 50% relative humidity)water vapour (cc/mil/100 sqin/ 24 h/atm at 23°C and 50% relative humidity)
PET8204
PVC15403
oriented PS33020004
PP1604500.5