Films

P (ng m/m² s Pa)

PEHD

0.00024

PELD

0.00073 - 0.00097

Polyester

0.0012 - 0.0015

Cellophane

0.077 - 0.084

Cellulose acetate

0.005 - 0.016

High amylose starch

0.2 - 1

Wheat gluten

1.4 - 4.6

Soy protein isolate

1.6 - 4.4

Gelatin

2.83 - 5.66