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75μm PET Transparent Release Film for Electronics Protection
| MOQ: | 100 rolls |
| Price: | Negotiable |
| Standard Packaging: | Heat-seal first, then put them into the carton |
| Delivery Period: | 7-10 days |
| Payment Method: | T/T,L/C,D/P |
| Supply Capacity: | 100,000 Roll per Week |
| Item | Specification | Standard |
|---|---|---|
| Total Thickness | 75±5µm | GB/T7125-2014 |
| Release Force | 1–3g/25mm (180° peel) | GB-T2792-1998 |
| Color | Transparent | Visual inspection |
| Base Material | PET (Polyester) film | Visual & Physical Test |
| Coating | Silicone release agent with anti-static layers | - |
TFTRH75-03 polyester film is trusted across multiple high-reliability industries:
- Electrical Insulation – Layer insulation for motors, transformers, generators, and battery packs. Prevents short circuits at high voltages.
- High-Temperature Masking – Used as a coverlay or protective film during solder reflow, wave soldering, and hot bar soldering processes.
- Automotive – Wire and cable wrapping, thermal shielding, and insulation in engine compartments where temperatures exceed conventional material limits.
Sanfeng Win New Materials (Jiangsu) Co., Ltd. (hereinafter referred to as Sanfeng Win) was established in 2010. It is a private enterprise integrating R&D, production and sales of adhesive products, with industry-leading coating technology and a professional R&D team. The company specializes in the production of high-temperature resistant tapes, optical protective films, new energy battery blue films, aerogel packaging hot-pressing films, photovoltaic perforated tapes, photovoltaic backsheets and other products, which are widely used in electronics, mobile phone screens, PCB, powder spraying, insulation, die-cutting, printing plastics, battery cell aluminum case wrapping, FPC, new energy, photovoltaic and other industries.
To ensure product quality requirements, the company is equipped with precision coating equipment and professional R&D and technical talents.
The company has a high-purification clean workshop and a multi-functional composite precision coating production line, providing customers with R&D, design schemes and market application feedback, and can put into independent mass production services.
Q1: Is PI75 the same as Kapton?
A: PI75 is a general-purpose polyimide film chemically similar to Kapton (DuPont trademark). It meets equivalent thermal, electrical, and mechanical specifications but is offered at a competitive price point. Always test for your specific application.
Q2: How should I store PI75 polyimide film?
A: Store in original packaging at 18–25°C and 40–70% RH, away from direct sunlight. Maximum shelf life is 6 months. Keep the roll wrapped to prevent dust and moisture absorption.
