فيلم PET مطلي بالفضة للتغليف

Item

Unit

Index

Test condition

Thickness

um

12

±0.5

Tensile strength

MD

Mpa

220

Temperature23℃

Relative humidity 40%

TD

Mpa

208

Elongation at

Break

MD

%

126

TD

%

108

Friction of coefficient

----

0.57

Equality of aluminized layer

%

±5

Adhesion of the Al layer(the indicated by the discrete areas of the aluminum layer)

%

5

Wetting tension of Al layer

Mn/m

54

Aluminium thickness

Ω/□

2.0

Moisture vapor transimission rate

g/(m2·24h)

0.97

Temperature38℃

Relative humidity :91%

Oxygen transmission rate

Cm3/(m2·24h·0.1Mpa)

1.75