Dalian Victor Industry & Trade Co ., Ltd.

Electrical Insulation Materials

Engineering Plastics

Mechanical Drive Parts

V6520 Polyester Film/Insulating Paper Flexible Laminates

The product is made of polyester film and insulating paper bonded together with adhesive. This kind of flexible laminates possesses excellent dielectric property and high mechanical intensity. It is used as slot insulation, interturn insulation, phase insulation and liner insulation for insulation structure E of medium-sized and mini-sized LV asynchronous motor

Type

Type	Nominal Thickness of Polyester Film μm
V6520-23	23
V6520-36	36
V6520-50	50

Technical Requirements
V6520-23

Properties

Unit

Values

Nominal thickness

0.10

0.15

0.17

0.20

0.22

0.25

0.27

0.30

0.40

0.50

0.60

Tensile strength

Length-wise

No bending

N/10
mm Width

≥90

≥135

≥150

≥180

≥190

≥210

≥240

≥270

≥320

≥410

≥500

After bending

≥70

≥80

≥90

≥100

≥110

≥120

≥140

≥160

≥230

≥300

≥370

Cross-wise

No bending

≥60

≥80

≥90

≥100

≥110

≥120

≥130

≥150

≥200

≥260

≥320

After bending

≥40

≥60

≥70

≥75

≥80

≥90

≥100

≥130

≥170

≥200

Breakdown voltage

No bending

≥6.0

After bending

≥5.0

V6520-36

Properties

Unit

Values

Nominal thickness

0.10

0.15

0.17

0.20

0.22

0.25

0.27

0.30

0.40

0.50

0.60

Tensile strength

Length-wise

No bending

N/10
mm

≥90

≥135

≥150

≥170

≥190

≥210

≥240

≥270

≥320

≥410

≥500

After bending

≥70

≥80

≥90

≥100

≥120

≥130

≥140

≥150

≥230

≥300

≥370

Cross-wise

No bending

≥60

≥80

≥90

≥100

≥110

≥120

≥130

≥140

≥200

≥260

≥320

After bending

≥40

≥60

≥80

≥90

≥100

≥130

≥170

≥200

Breakdown voltage

No bending

≥7.0

After bending

≥6.0

V6520-50

Properties

Unit

Values

Nominal thickness

0.15

0.17

0.20

0.22

0.25

0.27

0.30

0.35

0.45

0.60

Tensile strength

Length-wise

No bending

N/10
mm

≥100

≥110

≥120

≥135

≥150

≥175

≥200

≥240

≥360

≥400

After bending

≥70

≥75

≥80

≥85

≥95

≥100

≥110

≥180

≥275

≥320

Cross-wise

No bending

≥80

≥85

≥90

≥95

≥100

≥105

≥120

≥180

≥200

After bending

≥50

≥55

≥60

≥70

≥80

≥115

≥175

≥190

Breakdown voltage

No bending

≥8.0

After bending

≥6.0

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