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Polyimide
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Beijing Found Mechanical & Electrical Co.,LTD.
Add:Room 218,Xingdongnan Mansion,No.2 Weizikeng Street, Fengtai District, Beijing, 100079,China.
Phone:+86-10-67688056
Fax:+86-10-67669046
E-Mail:steve@insulation-all.com
          steve@insulations.com.cn
 
Polyimide film Your location:home > Products

  Polyimide film is synthesized by polymerizing PMDA and ODA in strong polar solvents through the process of forming film and imine treatment at high temperature, which possesses excellent physical, chemical, and electrical properties, atomic radiation resistant, solvent resistant, low and high temperature resistant. It performs successfully in the wide range of temperature as low as -269℃ and as high as 260℃.It is widely used for wrapping of magnet wire and cable, slot liner insulation, interlayer insulation in Motor, transformer and the substrates or overlay of flexible printed circuits board.

  Thickness:0.0125, 0.025,0.05,0.075,0.10,0.125.
  Width: 500,520,1000 (Customers special requirements on specifications could be negotiated case by case)

No.

Item

Unit

Value

1

Applicable Standards

IEC 60674-3-4 TO 6-1993

2

Thickness

mm

0.0125mm

0.025mm

0.05mm

0.075mm

0.10mm

0.125mm

3

Tolerance in thickness

mm

±10%

4

Density

g/cm3

1.42±0.02

5

Tensile Strength ≥
 MD
 TD

MPa


138
138


170
165


165
160


150
139


145
130


130
110

6

Elongation at rupture ≥

%

35

50

60

60

60

60

7

Shrinkage

%

0.35

0.15

0.15

0.15

0.15

0.15

8

Breakdown strength 50Hz ≥
 Average
 Individual

MV/m


120
110


180
140


160
130


145
120


120
100


115
90

9

Surface resistivity ≥

Ω

1.0×1013

10

Volume resistivity ≥

Ω.m

3.8×1010

11

Dielectric constant ≤

3.5

12

Loss tangent ≤

4×10-3


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Phone:+86-10-67688056 Fax:+86-10-67669046 E-Mail:steve@insulation-all.com  steve@insulations.com.cn