1

Thickness

mm

0.15

0.18

0.20

0.23

0.25

0.30

0.35

0.40

0.45

2

Thickness tolerance

mm

±0.02

±0.025

±0.03

±0.03

±0.03

±0.03

±0.035

±0.040

±0.045

3

Nominal Grammage and Tolerance

g/

140±20

190±28

220±33

260±39

300±45

350±52

425±63

500±75

560±84

4

Thickness of polyester film

mm

0.05

0.075

0.10

0.125

0.15

0.19

0.25

0.30

0.35

5

Tensile Strength

MD

No Bending

N/10

≥80

≥120

≥140

≥180

≥190

≥140

≥270

≥140

≥140

After Bending

≥80

≥105

≥120

≥150

≥170

≥140

≥200

≥140

≥140

TD

No Bending

≥80

≥105

≥120

≥150

≥170

≥140

≥200

≥140

≥140

After Bending

≥70

≥90

≥100

≥120

≥130

≥140

≥150

≥140

≥140

6

Elongation

MD

No Bending

Mm/width

≥15

After Bending

≥10

≥5

≥3

TD

No Bending

≥20

After Bending

≥10

≥5

≥2

7

Breakdown voltage

KV

≥6

≥7

≥9

≥10

≥12

≥15

≥18

≥20

≥22

8

Bond strength at 25 degree C

No delamination

9

Bond strength at 180 degree C

No delamination ,no blister,no adhesive flow

10

Temperature

130