Widely Used Polyimide Pi Film with Excellent Properties
Application/Model
Our products apply to national defense industry aerospace industry, electric motor industry, FPC and TAB of electronic industry, Grade H, C insulating materials (pulling motor, submersible oil electric motor , nuclear power equipments, high-temperature-resistant materials, special electric appliances, fire-proofing bus duct, gas mask, loudspeaker voice skeleton), our products polyimide films as parent metal is the best choice of FPC, PST, flexible copper layer plate, LED and high-temperature insulated materials.
Welcome to consult.
Items |
Units |
Product model |
Test Conditions |
Standard |
Thickness |
|
μm |
13-14 |
23ºC |
ASTM D374 |
Tensile strength |
TD |
MPa |
≥170 |
23ºC |
ASTM D882 |
MD |
≥170 |
|
Elongation |
TD |
% |
≥65 |
23ºC |
ASTM D882 |
MD |
≥65 |
|
Young's Modulus |
|
GPa |
≥3.1 |
23ºC |
ASTM D882 |
Dielectric Constant |
|
|
3.5±0.4 |
1MHz 23ºC |
ASTM D150 |
Dielectric Dissipaion Factor |
|
|
≤0.004 |
1MHz 23ºC |
ASTM D150 |
Volume Resisticity |
|
Ω•cm |
>1012 |
500V 23ºC |
ASTM D257 |
Surface Resistivity |
|
Ω |
>1014 |
500V 23ºC |
ASTM D257 |
Dielectric Strength |
|
v/μm |
≥200 |
23ºC |
ASTM D149 |
CTE |
|
Ppm/ºC |
30±5
30±5 |
100~200ºC 200~300ºC |
ASTM D696 |
Shrinkage Rate |
|
% |
≤0.08 |
200ºC,2Hr |
ASTM D5213-04 |
Water Absorption |
|
% |
≤2.2 |
23ºC,soak for 24Hr |
ASTM D570 |
Density |
|
g/cm³ |
1.44±0.2 |
23ºC |
ASTM D1505 |
Wetting Tension |
|
mN/m |
60 |
23ºC |
IEC674-2 |
Slitting and Packging
- Width:520mm~1040mm
- Core ID:76mm(3'')or 152mm(6''),Core materials:Paper or plastic
- Packaging:PE film packaged,with aluminum foil and foam,Suspended packing.
- Storage:The film should be stored in a dry and clean indoor,should be suspended in the box. Should not erect,close to the fire,heat or direct sunlight.
Product & packing picture
Applications
Wire&cable Insulation, slot liner insulation,interlayer insulation in Motor,transformer etc.
Backing material for Polyimide coating or composites
Flexible Printed Circuits Board(F-PCB)
Polyimide Label
Polyimide tubing
Coverlay film in FPC/PCB
High-temp cables wrapped PI PI in die cutting
FCCL membrane PI in LED lights PCB
PI in battery Black PI tape
Production
Warehouse
FAQ
Q1:Are you trading company or manufacturer ?
We are a manufacturer, We have our own workshop producing electrical insulation polyimide film..
Q2: Can you send samples for testing?
A4size Samples are free supplied, customers just need to pay a litter shipping charge.
Q3: How can you guarantee the quality of mass goods is same as the sample sent to me before?
We kept another same sample and marked on company when we sent to customer. So our production will be based on and also we will test the product before shipment.
Q4: Which package do you use?
Package is important part to avoid goods breaking in transportation. We will choose suitable packing depend on materials.
Package&Storage:
Packed in rolls and in carton; store at room temperature; avoid fire. The storage period is 12 months.
If you are interested please do not hesitate to contact us.
Note:Above values are the accumulative typical ones by recognized testing method,but,in order to ensure you to select our products properly,please refer to above specification and test the samples based on your using purpose or feel to contact us for more details..