6520 polyester film composite electrical insulation paper is a two-layer flexible laminate in which polyester film is bonded with fish paper.

1 .Description:

6520 polyester film composite electrical insulation paper is made of electrical fish paper and polyester film layer formed by adhesive bonding. this material has a excellent performance in both electrical and mechanical properties.

2.Specifications:

1).Stardard: JB/T4059-1991.

2).Certification: ISO Quality certification;SGS System Certification;Electrical machinery industry by product quality supervision and inspection center material testing.

3).Thickness:0.15mm-0.60mm

4).Width:1000mm

5). MOQ:1000kg

6). Delivery time:15-20 days.

widly used for small motor and electrical insulation slot liner,gasket and turn to turn and layer insulation,liner insulation,transformer insulation,and other electrical insulation with termperature requirement not exceeding 120 C.

Class E insulation (120)

- High mechanical strength and excellent dielectric property.
- As slot, interturn and liner insulation for E-grade motors and electric appliances.

Techincal data 6520

Nominal thickness

mm

0.15

0.17

0.20

0.22

0.25

0.27

0.3

0.35

0.45

0.6

Thickness tolerance

mm

±0.02

±0.02

±0.03

±0.03

±0.03

±0.03

±0.03

±0.035

±0.045

±0.06

Weight and tolerance

g/m2

190±28

215±32

250±38

275±40

310±46

330±50

370±55

490±73

550±80

730±110

Film thickness

μm

36

Tensile strength

Lengthwise

Nomal

N/10mm

≥100

≥110

≥125

≥130

≥150

≥175

≥200

≥240

≥360

≥400

After Bending

≥70

≥75

≥80

≥85

≥95

≥100

≥110

≥180

≥275

≥320

Crosswise

Nomal

≥80

≥85

≥90

≥90

≥95

≥100

≥105

≥120

≥180

≥200

After Bending

≥50

≥50

≥50

≥55

≥60

≥70

≥80

≥115

≥175

≥190

Elongation

Lengthwise

Nomal

%

2

≥3

Crosswise

After Bending

≥8

≥10

Breakdown Voltage

Nomal

KV

≥7

After Bending

KV

≥6

Bonding strength at room temperature

—

—

No delamination

Bonding strength at (155±2)°C for 10 min

—

—

No delamination,blister and gummosis

许昌睿源绝缘材料有限公司

6521 nature color polyester film