Table II. Physical properties of mPE films.

Test Units   mPE Film 1
(mPE 1-6)
mPE Film 1
(mPE 1-10)
mPE Film 2
(mPE 2-6)
mPE Film 2
(mPE 2-10)
Physical
Property
Test
Method
SI English Test
Direction
SI English SI English SI English SI English
Film thickness
Film density
Film nominal yield
ASTM E 252
ASTM D 4321
mm
g/cm3
m2/kg
mil
g/cm3
sq in./lb
- 0.15
0.905
7.16
(6)
0.905
5030
0.25
0.905
4.55
10
0.905
3200
0.15
0.895
7.26
6
0.895
5100
0.25
0.895
4.31
10
0.895
3030
Yield tensile strength ASTM D 882 MPa psi MD
TD
5.0
5.0
730
720
4.8
5.4
690
780
4.0
4.1
580
600
4.0
3.9
580
570
Ultimate tensile
strength
ASTM D 882 MPa psi MD
TD
31.8
29.0
4610
4200
28.1
28.8
4080
4170
30.6
25.8
4440
3740
25.4
26.5
3690
3840
Ultimate elongation ASTM D 882 % % MD
TD
700
705
700
705
730
810
730
810
625
640
625
640
670
680
670
680
Toughness
(energy to break)
ASTM D 882 J/m3 in-lb/cu in. MD
TD
86.2
78.9
12500
11440
83.4
103.4
12100
14990
65.5
58.8
9500
8520
63.7
64.3
9240
9330
1% secant modulus ASTM D 882 MPa psi MD
TD
62.8
61.2
9100
8880
61.4
63.4
8900
9190
43.4
43.5
6290
6310
44.2
45.2
6410
6550
Elmendorf tear ASTM D 1922 gms gms MD 1680
2090
1680
2090
3410
3690
3410
3690
810
1020
810
1020
1780
2020
1780
2020
Elmendorf tear ASTM D 1922 g/mm g/mil MD
TD
11000
13700
280
348
13400
14500
341
369
5310
6700
135
170
7010
7950
178
202
Puncture resistance ASTM D 3763
modified
J/m3 in-lb/cu in. - 9.2 1330 11.4 1650 14.3 2070 17.9 2600
Oxygen transmission
rate
Water vapor
transmission rate
ASTM D 3985

ASTM E 96
cm3/m2

g/m2
cm3/100 sq in.

g/100 sq in.
- 2635

6.5
170

0.42
1550

3.5
100

0.23
3490

8.6
225

0.55
1920

4.9
124

0.32

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