Sanfeng Win New Material(Jiangsu)Co.,Ltd.
| Payment Terms | T/T |
| Supply Ability | 1000 rolls |
| Delivery Time | 7-10 days |
| Packaging Details | Heat-seal packaging first,then put them into the carton |
| Name | PI Film |
| Use | Protection |
| Color | Amber |
| Adhesive | No Adhesive |
| Tape Thickness | 25μm±5μm |
| Tape Size | As to your requirements |
| Brand Name | Sanfeng Win |
| Model Number | PI25 |
| Certification | ISO 14001:2015 |
| Place of Origin | Jiangsu,China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 1000 rolls |
| Delivery Time | 7-10 days | Packaging Details | Heat-seal packaging first,then put them into the carton |
| Name | PI Film | Use | Protection |
| Color | Amber | Adhesive | No Adhesive |
| Tape Thickness | 25μm±5μm | Tape Size | As to your requirements |
| Brand Name | Sanfeng Win | Model Number | PI25 |
| Certification | ISO 14001:2015 | Place of Origin | Jiangsu,China |
| High Light | 25um PI Film ，No Adhesive PI Film ，Amber pi films | ||
PI25 is a 25μm pure polyimide (PI) film, made via polycondensation and imidization stretching. It features high temperature resistance, excellent electrical strength, low shrinkage and good dielectric properties. Supplied in rolls with neat edges, it’s ideal for high-performance electronic and industrial applications.
| Item | Specification | Test Standard |
|---|---|---|
| Total Thickness | 25±3μm | GB/T7125-2014 |
| Water Absorption | <4.0% | / |
| Relative Permittivity (50HZ) | ≤3.9 | / |
| Dielectric Loss Factor (50HZ) | ≤4.0×10⁻³ | / |
| Temperature Resistance | 288±5℃ for 10s (Pass) | Oven Test |
| Electric Strength | Avg. ≥50MV/m; Individual ≥40MV/m | / |
| Density | 1420±20 Kg/m³ | / |
| Shrinkage (200℃) | ≤0.3% | Oven Test |
Sanfeng Win New Materials (Jiangsu) Co., Ltd. (Sanfeng Win), founded in 2010, is a private enterprise integrating R&D, production, and sales of adhesive products. With industry-leading coating technology and a professional R&D team, we specialize in high-temperature resistant tapes, optical protective films, new energy battery blue films, aerogel packaging hot-pressing films, photovoltaic perforated tapes, and backsheets. Our products are widely used in electronics, mobile phone screens, PCB, powder spraying, insulation, die-cutting, printing plastics, battery cell aluminum case wrapping, FPC, new energy, and photovoltaic industries. Equipped with precision coating equipment, a high-purification clean workshop, and a multi-functional composite precision coating production line, we provide customers with R&D, design solutions, and market application feedback, enabling independent mass production services to ensure product quality.
1.What is the core material of PI25 film?
It is a pure polyimide (PI) film, also known as KAPTON film.
2.What is the standard core of PI25 film rolls?
The standard core is a rigid paper tube with an inner diameter of 76 mm, custom options available via negotiation.
3.What are the storage conditions for PI25 film?
Store in a cool place (18-25℃, humidity 40-70%), avoid direct sunlight.
4.What is the maximum shelf life of PI25 film?
The maximum usable period is 6 months under standard storage conditions.
5.How is PI25 film packaged for delivery?
It’s wrapped in plastic film and foam, supported by MDF boards, packed in double corrugated cartons with packing belts.
6.What are the test conditions for PI25 film's performance?
Test at 23±1℃, humidity 50±5% with steel plate adherend, 300mm/min peeling speed and 180° peeling angle.
Company Details
Business Type:
Manufacturer
Year Established:
2010
Total Annual:
$17,000,000-9500000
Employee Number:
80~100
Ecer Certification：
Verified Supplier
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