Test item

PE Paint

PVDF Paint

PET Film Lamination

Chemical resistance

Acid resistance

No change

No change

No change

Alkali resistance

No change

No change

No change

Oil resistance

No change

No change

No change

Solvent resistance

No bottom appearing

No bottom appearing

No bottom appearing

Wash aberration

11500 times

13000 times

15000 times

Artificial aging resistance,500H

Chromatic aberration

0.42

0.52

1.3

Pulverization

Non-pulverization

Non-pulverization

Non-pulverization

light loss

No less grade 2

No less grade 3

No less grade 2

Coating thickness

18μm＋(－)1μm

26μm＋(－)1μm

30μm＋(－)1μm

Gloss tolerance

2

1.4

/

Pencil Hardness

3HB

3HB

/

Coating flexibility

2T

2T

/

Cohesive force

No less grade 1

Grade 1

Grade 1

Penetrating resistance

No peeling,no cracks 50kg.cm

No peeling,no cracks 50kg.cm

No peeling,no cracks 50kg.cm

Bend strength

73.5M.pa

121M.pa

110M.pa

Bend flexibility modulus

1.99x10⁴Mpa

2.67x10⁴Mpa

2.7x10⁴Mpa

Impact resistance

5.3KN

9.9KN

5.0KN

Shear strength

22.2Mpa

30.7Mpa

23.2Mpa

180. Peel strength

6.50N/mm

10N/mm

5N/mm

Temper difference resistance

No change

No change

85℃

Thermal expansion coefficient

2.34×10^-5℃^-1

2.27×10^-5℃^-1

3.6×10^-5℃^-1

Thermal expansion coefficient

119.6℃

107℃

110℃

Acetonic aid resistance

No change

No change

No change

Boil-water resistance

No change

No change

No change with in 2 hours