Shandong Xinhongyun New Material Technology Co., Ltd.Located in Weifang city, Shandong province., is an ISO-certified professional & reliable manufacture of electrical insulation materials-BOPI FILM(polyimide film). our annual production capacity is 150-200MT.main thickness 12.5um,25um & 50um, main width 514mm,520mm,1028mm&1040mm.main color: yellow, red, matte black.
we have a strict quality inspection system, we trust we can supply you the best quality product with high quality
we can provide both standard and custom polyimide film solutions for a customer depending on their needs.
NO. | Items | Uint | Request | Analysis result |
1 | Appearance | -- | Film surface smooth, no obvious defects and debris, clean edge without damage | Pass |
2 | Thickness | μm | 12.5±0.5 | 12.9 |
3 | Tensile strength | Mpa | MD≥220 | 225 |
TD≥220 | 223 | |||
4 | Elongation at break | % | MD≥50 | 55 |
TD≥50 | 63 | |||
5 | Young's Modulus | MPa | MD≥3100 | 3465 |
TD≥3100 | 3285 | |||
6 | Electric strength | MV/m | ≥235 | 343 |
7 | Shrinkage | % | MD±0.2 | 0.17 |
TD±0.2 | -0.01 | |||
8 | Surface tension | Dyne/cm | ≥58 | 60 |
NO. | Items | Uint | Request | Analysis result |
1 | Appearance | -- | Film surface smooth, no obvious defects and debris, clean edge without damage | Pass |
2 | Thickness | μm | 25±1 | 24.9 |
3 | Tensile strength | Mpa | MD≥165 | 219 |
TD≥165 | 201 | |||
4 | Elongation at break | % | MD≥50 | 62 |
TD≥50 | 60 | |||
5 | Young's Modulus | MPa | MD≥3000 | 3244 |
TD≥3000 | 3225 | |||
6 | Electric strength | MV/m | ≥235 | 284 |
7 | Shrinkage | % | MD±0.1 | -0.02 |
TD±0.1 | -0.03 | |||
8 | Surface tension | Dyne/cm | ≥58 | 60 |
Product & packing picture






Lead Time:
Quantity(KGS) | 1-20 | 21-500 | 501-2000 | >2000 |
Est.Time(Days) | 5 | 10 | 15 | To be negotiated |
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.
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
FCCL membrane PI in LED lights PCB

Coverlay film in FPC/PCB

High-temp cables wrapped PI PI in die-cutting

PI in battery Black PI tape

CERTIFICATIONS

FAQ
Q1:Are you a 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?
A4 size Samples & Small rolls are free supplied, customers just need to pay a litter shipping charge.
Q3: How can you guarantee the quality of mass goods is the same as the sample sent to me before?
We kept another same sample and marked it on the company when we sent it to the customer. So our products will be based on and also we will test the product before shipment.
Q4: Which package do you use?
The package is an important part to avoid goods breaking in transportation. We will choose suitable packing depending on the materials.
Package&Storage:
Packed in rolls and carton; store at room temperature; avoid fire. The storage period is 12 months.
If you are interested please do not hesitate to contact us.