transparent BOPET film

Item

Standard

Apperance

requirement

Folds

Not allowed

Impurities

Not allowed

Flatness of head surface

≤2mm

Base film thickness

d -3%*d

Mechanical

property

Coefficient of friction

0.63

Tensile strength

MD≥0.25*d kg/15mm

TD≥0.29*d kg/15mm

Elongation at break

MD≥100

TD≥100

Heat shrinkage

(150°C,6min)

 MD≤2.0%

TD≤1.5%

Wetting tension

Corona treatment ≥52mN/m

Non corona treatment ≥48mN/m

Application :1.It is widely used for milk powder,dry good, ingredients ,medicine packing etc mostly used as outside layer 2. As base materials of metallized film