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Product Name

Polyimide Film

StandardNo.:JB/T2726-1996I.ApplicableRange  Thepolyimidefilmismanufacturedwiththerawmaterialsofpyromelliticdianhydrideand4,4­­­­-diaminodiphenylethersyntheticresin,andadoptedwith“doctor-bladingprocess
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Product description
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Polyimide Film
 
Standard No.: JB/T 2726-1996
I .Applicable Range
　　The polyimide film is manufactured with the raw materials of pyromellitic dianhydride and 4,4­­­­-diaminodiphenyl ether synthetic resin, and adopted with “doctor-blading process”. It can resist high temperature and radiation as well as possess excellent dielectric performance and physical performance. It is applicable to motor Grade H, electric appliance insulation, and the electric insulating materials for other purposes.­
Ⅱ.Technological requirement
1.Appearance: Film surface is smooth, bright and clean. It shall have no defects, such as folding, tearing, particulate, air bubble, pinhole and any external impurity. Its edges shall be orderly and have no breakage. And the film is provided in rolls.
2. Dimension
1).Thickness and allowable deviation: see the recommended thickness in Table One. The products with other thickness can be supplied according to the requirements of customer. 
2).Width and length: supplied according to requirements of customer.
3).Performances shall conform to the stipulations in Table One.

NO

Index descnption

Unit

Index Value(TY6051)

1

Standardthickness

µm

25

40

50

75

100

125

175

200

2

Allowable tolerance

µm

+4
-3

+6
-5

+7
-6

+8
-6

+10
-7

+8
-8

+8
-8

+8
-8

3

Density

Kg/m³

1420±20

4

Tensile

Longitudinal
Transverse

Mpa

≥135
≥115

5

Elongation
at break

Longitudinal
Transverse

%

≥35

≥50

≥50

6

Hot-
Shrinkage
rate

150℃
400℃

%

≤1.0
≤3.0

7

Frequency
electrical
strength

Average value
Individual value

MV/m

≥150
≥100

≥130
≥80

≥110
≥70

≥100
≥60

≥100
≥60

8

Volume resistivity at 200℃

Ωm

≥1.0×1010

9

Surface rssistivity at 200℃

Ω

≥1.0×1013

10

Relative dielectnic constant

-

3.5±0.4

11

Dielectric dissip ation factor

-

≤4.0×10-3

12

Long tenm heat resist ance
Temp erature Index

℃

≥180
Ⅲ.Packing, mark, storage and transportation
    The film shall be provided in rolls and wound around pipe core, each roll is well packed and sealed with plastic bag to be placed into dry and clean box.
Corresponding parameter set not found, please add it in property template of background
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