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Polyester film​

6020&6021is a biaxial oriented polythylene terephthalate(PET)film through melting,casting and stretching.This product has good dielectric and high mechanical properties.It is widely used for electrical insulation,such as slot insulation,interphase insulat

 


Description:

1. Material: polyester resin. Heat resistance level: E class.

2. Characteristics: Have high dielectric properties.

3. Standard: national standard

4. Usage: Used for composite material, motor groove, interturn insulation and interlayer insulation.

Technical parameters

No.

Properties

Unit

Vaules

Typical Vaules

1

Tensile strength(MD and TD)

25um~100um

MPa

≥150

200

100um~250um

≥140

170

>250um

≥110

160

2

Elongation Break(MD and TD)

25um~100um

%

≥80

100

100um~350um

≥90

120

3

Thermal Shrinkage(MDand TD)

25um~190um

%

≤3.0

1.6

>190um

≤2.0

1.5

4

Power frequency Dielectric Strngth 50HZ

V/um

Table 2

Table 2

5

Volume Resistivity

Ω.m

≥1.0*1014

3.0*1014

6

Relative Dielectric Constant(50HZ)

2.9~3.4

3.2

7

Dielectric Dissipation Factor(50HZ)

≤3.0*10-3

2.3*10-3

8

Density

Kg/m3

6020

6021

6020

1390±10

1400±10

1392

9

Melting point

 

≥256

260

10

Surface Resistivity

Ω

≥1.0*1013

5.0*1014

11

Electrolytic

Ocular Estimate

%

≤2

1.4

Corrosion

Tensile Strength of metallic wire

12

Dimensional Stability under high temperature

When pulling

 

≥200

≥200

Categories: Flexible Composite