Electrical Insulation Materials
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Electrical Insulation Polyester Film

Electrical insulation polyester film is manufactured by polyethylene terephthalate to be extruded and stretched by double sides.

Type

Type

Characteristics & Application

V6020

Transparent film for common application

It possesses good quality of mechanical property, chemical resistance as well as electrical insulation and mildew resistance under damp and hot condition. It is used as slot insulation, interturn insulation, and coil insulation for medium-sized and mini-sized motors or be laminated then be used for the motor insulation.It also can be used as other electrical insulation.

V6021

Opaque film for common application

The thickness 25,50,75,100,125,150,190,250,300,350μm
Technical Requirements

No.

Item

Unit

Value

V6020

V6021

1

Density

g/cm3

1.4

2

Tensile strength (MD/TD)
Nominal Thickness:<100μm
>100~190μm
>190μm

MPa

 

≥150
≥140
≥110

3

Breaking elongation (MD/TD)
Nominal Thickness:≤50μm
>50μm

%

 

≥60
≥80

4

Shrinkage(MD/TD)
Nominal Thickness:≤190μm
>190μm

 

≤3.0
≤2.0

5

Volume resistivity

Ω·m

≥1014

6

Surface resistivity

Ω

≥1013

7

Relative dielectric constant

2.9~3.4

8

Dielectric dissipation factor 50Hz

≤0.005

9

Melting point

≥256

10

Long term heat resistance, Temp. Index

≥115

 

 
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