6521-Polyester Film /Insulating Paper

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Basic Info

Place of Origin:	Henan, China (Mainland)

Product Description

Polyester Film /Insulating Paper is suitable for slot insulation, interphase insulation and liner insulation in electric motor. features and applications:Temp.class E High mechanical strength and excellent dielectric property. As slot ,interturn and liner insulation for E-grade motors and eletrical applicance Availability: -Form:roll sheet,strip -colour:cyan,natural brown, special colours can be provided on request. -three layers or four layers can be provided on request.

Properties	Units	Values
Nominal thickness of the product (mm)
0.15	0.17	0.20	0.22	0.25	0.27	0.30	0.35	0.45
Thickness tolerance	mm	±0.020	±0.030	±0.035	±0.045
Grammage and tolerance	g/m²	190±28	215±32	250±38	275±40	310±46	330±50	370±55	490±73	550±32
Nominal thickness of film	μm	25	36	50
Tensile strength	MD	No bending	N/ 10mm	≥100	≥110	≥120	≥135	≥150	≥175	≥200	≥240	≥360
After bending	≥70	≥75	≥80	≥85	≥95	≥100	≥110	≥180	≥275
TD	No bending	≥80	≥85	≥90	≥90	≥95	≥100	≥105	≥120	≥180
After bending	≥50	≥50	≥50	≥55	≥60	≥70	≥80	≥115	≥175
Elongation	MD	%	≥2	≥3
TD	≥8	≥10
Breakdown voltage	No bending	kV	≥4.0
After bending	≥2.5
Bonding property at room temp.	/	No delamination
Bonding property at 155°C±2°C 10min	/	No delamination, no bubble, no adhesive flow
The quality warranty period	Twelve months

Properties

Units

Values

Nominal thickness of the product (mm)

0.15

0.17

0.20

0.22

0.25

0.27

0.30

0.35

0.45

Thickness tolerance

±0.020

±0.030

±0.035

±0.045

Grammage and tolerance

g/m²

190±28

215±32

250±38

275±40

310±46

330±50

370±55

490±73

550±32

Nominal thickness of film

μm

Tensile strength

No bending

N/ 10mm

≥100

≥110

≥120

≥135

≥150

≥175

≥200

≥240

≥360

After bending

≥70

≥75

≥80

≥85

≥95

≥100

≥110

≥180

≥275

No bending

≥80

≥85

≥90

≥95

≥100

≥105

≥120

≥180

After bending

≥50

≥55

≥60

≥70

≥80

≥115

≥175

Elongation

≥2

≥3

≥8

≥10

Breakdown voltage

No bending

≥4.0

After bending

≥2.5

Bonding property at room temp.

No delamination

Bonding property at 155°C±2°C 10min

No delamination, no bubble, no adhesive flow

The quality warranty period

Twelve months

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Related Keywords

polyester film/insulating paper , insulation paper/pet film , polyester film/fish paper