| 6050 Polyimide film
Composition: Polyimide resin
Characteristics & application: Excellent heat and cold resistances, radiation,water, acid and freon resistances, used as class H insulation for electric machinery and appliance.
polyimide coverlaies, electrical pressure sensitive tapes
Temperature classification: Class H
Implemented standard: JB 2726-80
• polyimide film ( CENPI ): 25-125 um thickness is available.
• Polyimide film coated with FEP ( CENFPI )
PI film thickness : 25um or 30 um Coating thickness : 12.5um or 10um
3. Polyimide film coated with silicone adhesive ( CENSPI )
PI film thickness : 25um or 50 um Coating thickness : 35um
4. Polyimide film sputtered with copper ( CENCPI )
PI film thickness : 25um or 50 um Coating thickness : 20nm-100nm
5. Two layers adhesiveless polyimide copper clad laminate
6. ITO transparent condutor film
7. PET film sputtered with copper
8. Other polyimide eated products
polyimide coverlaies, electrical pressure sensitive tapes
|
thickness
item |
25um |
50um |
75um |
100um |
125um |
150um |
175um |
Testing standard |
|
Thickness tolerance ( um ) |
± 3 |
± 3 |
± 5 |
± 6 |
± 8 |
± 10 |
± 12 |
JB/2726-1996 |
|
Tensile strength
( Mpa ) |
MD |
>= 150 |
>= 145 |
>= 140 |
>= 135 |
>= 130 |
>= 125 |
>= 120 |
ASTMD-882 |
|
TD |
>= 145 |
>= 135 |
>= 130 |
>= 125 |
>= 120 |
>= 115 |
>= 110 |
ASTMD-882 |
|
Elongation breaking
( % ) |
MD |
>= 55 |
>= 60 |
>= 65 |
>= 70 |
>= 75 |
>= 80 |
>= 85 |
ASTMD-882 |
|
TD |
>= 55 |
>= 60 |
>= 65 |
>= 70 |
>= 75 |
>= 80 |
>= 85 |
ASTMD-882 |
|
Shrinkage ( % ) 250 oC |
<= 0.30 |
<= 0.28 |
<= 0.26 |
<= 0.24 |
<= 0.22 |
<= 0.20 |
<= 0.20 |
ASTMD-1024 |
|
breakdown voltage ( MV/m ) |
>= 200 |
>= 180 |
>= 160 |
>= 140 |
>= 130 |
>= 120 |
>= 110 |
ASTMD-1-49 |
|
Surface resistivity (Ω) |
>= 1*10 15 |
>= 8*10 14 |
>= 5*10 14 |
>= 1*10 14 |
>= 1*10 14 |
>= 5*10 13 |
>= 5*10 13 |
ASTMD-257 |
|
Volume resistivity (Ω cm ) |
>= 1*10 18 |
>= 8*10 17 |
>= 5*10 17 |
>= 1*10 17 |
>= 1*10 17 |
>= 5*10 16 |
>= 5*10 16 |
ASTMD-257 |
|
Relative permittivity1KHz |
<= 3.5 |
<= 3.6 |
<= 3.7 |
<= 3.7 |
<= 3.7 |
<= 3.8 |
<= 3.8 |
ASTMD-150 |
|
Dissipation factor of medium 1KHz |
<= 0.0025 |
<= 0.0025 |
<= 0.0025 |
<= 0.0025 |
<= 0.0027 |
<= 0.0030 |
<= 0.0030 |
ASTMD-250 |
|
Specification |
Unit |
Index values |
|
Density |
g/cm3 |
≥1.4 |
|
Tensile strength |
Mpa |
≥100 |
|
Extension rate |
% |
≥25(Longitudinal)
≥20(Latitudinal) |
|
Volume resistivity |
MΩ.m |
≥1.0x107(20°C) ≥1.0x104(200°C) |
|
Relative permittivity(103Hz) |
|
≤4(Power frequency) |
|
Dissipation factor
of medium |
Power frequency |
|
≤0.01 |
|
1000Hz |
|
-- |
|
Dielectric strength |
V/µm |
≥100(60)(20±5°C)
≥80(48)(200°C) | | 
