Aluminum coated PET bag

Aluminum foil bag

Nylon bag

Ordinary PE bag

Aluminum plated PE bag

High barrier transparent PE bag

1

Oxygen permeability

cm3/(m2·24 h)

≤1.0

≤0.5

≤100

-

≤1.0

≤0.5

2

Water vapor permeability

g/(m2·24 h)

≤0.5

≤0.5

≤10

≤15

≤0.5

≤0.5

3

Light transmittance

%

≤0.2

≤0.2

-

-

≤0.2

-

4

Tensile strength (longitudinal/transverse)

MPa

≥30

≥30

≥30

≥20

≥20

≥20

5

Fracture nominal strain (longitudinal/transverse)

%

≥45

≥45

≥45

≥200

≥200

≥200

6

Peel Force

N/15 mm

≥3.0

≥3.0

≥3.0

-

≥3.0

≥3.0

7

Heat sealing strength of bag body

N/15 mm

≥40

≥40

≥40

≥15

≥15

≥15

8

Heat sealing strength of bag mouth and bag body

N/15 mm

≥40

≥40

≥40

≥30

≥30

≥30

Note: Numbers 1 to 6 are indicators of the outer membrane。