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55-65um PI Film With High Thermal Stability And Low Relative Permittivity
| MOQ: | 100 rolls |
| Price: | Negotiable |
| Standard Packaging: | Heat-seal packaging first,then put them into the carton |
| Delivery Period: | 7-10 days |
| Payment Method: | T/T |
| Supply Capacity: | 1000 rolls |
65um PI Film
,55um PI Film
,55um pi films
PI75B Series is a 75μm black polyimide (PI/KAPTON) film made from PMDA and ODA polycondensation. It features high thermal stability, low relative permittivity, and is ideal for high-end electronic and insulation applications.
- High-temperature electronic insulation
- Flexible printed circuit (FPC) substrate
- Semiconductor packaging and protection
- Aerospace and aviation electrical insulation
- High-voltage cable and component insulation
- High-temperature shielding and heat-resistant components
| Item | Specification | Standard |
|---|---|---|
| Active Layer Thickness | 75±6μm | GB/T7125-2014 |
| Relative Permittivity | ≤3.9 | Voltage changes with thickness |
| Density | 1420±20 kg/m³ | - |
| Material | Black Polyimide (PI/KAPTON) | - |
| Core | 76 mm ID rigid paper core (standard) | Negotiable for special needs |
| Form | Rolled supply, neat edges | - |
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 base material of this film?
It is a black polyimide (PI/KAPTON) film produced from PMDA and ODA polycondensation.
2.What is the thickness tolerance?
The total thickness is 75±6μm, conforming to GB/T7125-2014.
3.What is the relative permittivity?
The relative permittivity is ≤3.9, and voltage varies with film thickness.
4.What is the density of the film?
The density is 1420±20 kg/m³, ensuring stable mechanical properties.
5.What is the standard core size?
The standard core is a 76 mm inner diameter rigid paper core; special cores can be negotiated.
6.What are the key application areas?
It is mainly used in high-temperature electronics, FPCs, semiconductor packaging, and aerospace insulation.
