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6021 Polyester film

Applications: For low-voltage motors, electrical coils turn insulation, ends wrapping insulation, liner insulation, magnetic wire insulation, capacitor dielectric slot insulation of E and B class motor, For cable wrapping, transformers and composite materials making.

Features: Heat-resistant class is E, it is a transparent film, transparency, good flexibility, high mechanical properties and dielectric properties, this product has uniform thickness, shiny surface .

No

Item

Unit

Value

6020/6021

6050/6051

6240/6050J

1

Density

g/cm3

1.39±0.10

≥1.40

2

Melting point

≥256

3

Tensile strength

MPa

15-100µm

≥150

≥100

≥58

>100-190µm

≥140

>190µm

≥110

4

Elongation

≥40~80

≥25Lengthwise
≥20 Crosswise

≥25

5

Thermal Shrinkage

≤3.5~2.0

6

Volume resistivity

MΩ.m

≥1.0×108

≥1.0×107(20℃)
≥1.0×104(200℃)

1.1×107

7

Relative permittivity (103HZ)

2.9~3.4

≤4  Power frequency

8

Dielectric loss

Power frequency

103HZ

≤5.0×10-3

≤0.01

≤6.0×10-3

9

Dielectric strength

V/µm

≥250-50
thickness(6µm~350µm)

≥100(60)(20±5℃)
≥80(48)(200℃)

≥70

10

Bonding strength

N/10mm

≥1.47

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