FILM BARRIER CHART*

MATERIAL

W.V.T. R.

O.T.R. .

1 mil  thickness unless otherwise noted  (gm/100 in2/24 hours) (c.c./100 in2/24 hours/atm.       at 95 oF. and  0 % RH)
PVDC 0.1 0.15-1.4

Saran™ 

0.2

.8-1.1

Aclar™ 33C .75 mil (military grade)

0.035

7

Barex 210™ 

4.8

0.7

PET (Polyethylene-theraphthalate)

4.3

9.0

LCP (Liquid Crystal Polymer)(Vectra™)    0.17 0.004
PET-9%LCP(Vectra™) Alloy  0.85 1.2
50 M-30 PVDC Coated Polyester

2.8

9

Metallized Polyester 48 Ga.

0.05

.08-.14

Nylon 6/6

19-20

2.6

Metallized Nylon 48 Ga.

0.2

0.05

PVDC-Nylon 

0.2

0.5

250 K Cello

0.5

0.5

195 MSBO Cello

45-65

1-2

LDPE 2 mil

0.6

275

Opp .9 mil

0.45

80

EVAL, Biax 60 Ga. 2.6 0.03
EVAL EF-E  1.4 0.21
EVAL EF-F  3.8 0.025
Benyl H 60 Ga

0.7

0.4

PVC  4-5 8-20
Polycarbonate  9 160
Polystyrene (HIPS)  7.2 4,800

*Collected from various sources