Gas – o2 permeability

MOISTURE VAPOR AND OXYGENE TRANSMISSION RATES

Compound Vapor. (g 25μ/m2/24h) Oxygen. (g 25μ/m2/24h)
Polyvinylidene Dichloride (Saran) 0.9 – 3.4 1.2 – 2.3
Biaxial Oriented Polypropylene (PP) 5.9 2526
HD-Polyethylene 5.9 2325
Polypropylene (PP) 10.7
LD Polyethylene (LDPE) 17.7 8586
Biaxial oriented PET 18.6 35.6
Poly(ethylene terephthalate) (PET) 20.2
Ethylene-Vinyl Alcohol (EVAL G – L) 22 – 124 0.1 – 1.9
Rigid Polyvinyl Chloride (PVC) 46.5
Polystyrene (PS) 132 4030
Biaxially Oriented Nylon 6 (PA6) 158 25.6
Polycarbonate (PC) 170.5

Permeability testing equipments for oxygen, carbon dioxide & water vapor