background image
)
(
)
(
bt
e
a
OTR
t
OTR
-
+
=
OTR
a
b
R
2
PP//
EVOH 26
//PP
1.6
3222.28
0.4706
0.9863
PP//
EVOH 32
//PP
2.8
2681.87
0.3866
0.9809
PP//
EVOH 44
//PP
17
1885.14
0.3676
0.9755
Oxygen permeability in retorted packaging
structures
PP/
/
EVOH
/
/PP