Characteristics and Application :Temperature classification is E. Excellent dielectric property and high mechanical      strength. Used as slot and liner insulation between turns for electric machine and apparatus.

Standard:JB/T4059-1991

6520-50 （Properties of TYPE 6520-25）

 

№

Item

Unit

Normal value

1

Nominal thickness

mm

0.13

0.18

0.20

0.22

0.25

0.28

0.30

0.35

0.45

0.60

2

Thichness tolerance

mm

±0.020

±0.020

±0.030

±0.030

±0.030

±0.030

±0.030

±0.035

±0.045

±0.060

3

Nominal weight and tolerance

g/m2

150±28

215±32

250±38

275±40

310±46

330±50

370±55

490±73

550±80

730±110

4

Nominal thickness of film

μm

25

5

TensileStengt

Length-wise

N/10Mm width

≥70

≥110

≥125

≥130

≥150

≥175

≥200

≥240

≥360

≥400

≥50

≥75

≥80

≥85

≥95

≥100

≥110

≥180

≥275

≥320

After the buckling

Crosswise

≥60

≥85

≥90

≥90

≥95

≥100

≥105

≥120

≥180

≥200

After the transverse bending

≥40

≥50

≥50

≥55

≥60

≥70

≥80

≥115

≥175

≥190

6

Elongation

Length-wise

%

≥2

≥3

≥8

≥10

After the transverse bending

7

Breakdon voltage

Normal

kV

≥6.0

After bending

≥5.0

8

Bonding strength at room temperature

/

No delamination

9

120±2℃ 10min Bonding strength at 120±2℃ for 10min

/

No delamination、blister and drainage