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Polyimide Film(Tape) Polyimide Film

Polyimide Film(Tape) Polyimide Film
company TIANJIN TIANYUAN ELECTRONIC MATERIAL Co.,Ltd
Categories LED Displays
Update2010-12-30
Original RegionChina
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Polyimide Film(Tape) Polyimide Film
Polyimide Film
Kind:Polyimide Film(Tape)  Create date:2008-12-02  Visits:434

Polyimide Film (Tape)  6051
Standard No.: JB/T 2726-1996
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.
I.  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.
Table One
  Unit: m
Standard
Thickness
25m
40m
50m
75m
100m
125m
175m
200m
Allowable Deviation
+2.5
+4
+5
+7.5
+8
+8
+8
+8
-2.5
-4
-5
-7.5
-7
-8
-8
-8
   2) Width and length: supplied according to requirements of customer
   3) Performances shall conform to the stipulations in Table Two
Table Two
No.

Index Description

Unit
Index value
25m
40
m
50
m
75
m
100
m
125
m
175
m
200
m
1
Density
kg/m3
1420±20
2
Tensile strength
Longitudinal
Transverse
MPa
≥150
≥130
3
Elongation
Longitudinal
Transverse
%
≥60
4
Heat contraction rate,
150℃
400℃
%
≤1.0
≤3.0
5
Electrical operating
frequency intensity
Averagevalue
MV/m
≥150
Specific value
≥100
6
Surface resistivity at ,200℃
≥1.0X1013
7
Volume resistivity at ,200℃
m
≥1.0X1010
8
Relative Dielectric Constant ,48-62Hz
3.5±0.4
9
Dielectric Loss Factor 48-62Hz
≤4.0X103
10
Long-term heat-resistance  tem

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