|
|
|
|
|
VN Polyimide
Film ( CGS-7458) |
|
Description: |
|
VN Type
Polyimide
film is
finalized
and designed
in high
temperature
and external
disposed
with Type H.
It not only
has all
capability
of type H
but also has
good
Shrinkage
and Peel
strength. |
|
|
Application： |
|
Type V film can be used in
flexible circuit board (FPC),
voice coil and other
special department which
requires good peel strength, ect. |
|
|
|
|
|
Specification And Property |
|
|
Property Name |
V Type Film |
|
Appearance |
Transparent or
semi-transparent golden film with smooth and flat surface and without
any needle cavities, bubbles or electrically conductive impurities. |
|
Thickness Nominal（μm） |
25.0 |
50.0 |
75.0 |
125.0 |
175.0 |
|
Thickness Toleranceμm |
±3.0 |
±5.0 |
±7.5 |
±12.5 |
±17.5 |
|
Width（mm） |
6～1000 |
6～520 |
|
Length (m)
|
1000+5 |
500+5 |
300+5 |
200+5 |
|
Tensile Strength Mpa
≥
|
160 |
140 |
|
Elongation at
Rupture %
≥
|
50 |
60 |
|
Dielectric Strength
MV/m
≥ |
180 |
140 |
|
Shrinkage at 200
C（%） |
Less than 0.12 |
|
Surface Tension D
≥ |
38 |
|
Peel Strength（N/cm）
≥ |
1.2 |
|
Surface Resistivity
Ω
≥
|
1.0×10-13 |
|
Volume Resistivity
Ω.cm
≥ |
1.0×10-15 |
|
Dielectric
Constant（10-6H）） |
3～4 |
|
Dielectric
Tangent（10-6 H）≤ |
1.0×10-3 |
|
|
