YY0525 is a high-performance protective film coated with organosilicon pressure-sensitive adhesive, using premium PET as the base material. It boasts outstanding adhesion capacity and a unique self-degassing design, which can automatically expel air bubbles during lamination to ensure a smooth and wrinkle-free attaching effect. This film can effectively shield protected surfaces from dust, stains, scratches and other contamination throughout the whole process, maintaining the original appearance and quality of products stably.

Constructed with a structure consisting of PET substrate and silicone adhesive layer , this transparent silicone protective film features reliable physical properties. It delivers stable peel adhesion within the standard range, paired with superior tensile strength and good elongation at break, granting it great flexibility and durability. It is not easy to crack or fall off during pasting, processing and peeling, and can adapt to various operating scenarios with stable comprehensive performance.

Widely applicable in the manufacturing, processing, transportation and post-processing stages of diverse products, YY0525 serves as an ideal surface protection solution for all kinds of electronic products, including electronic display panels, digital device casings, circuit boards and precision electronic components. Besides electronics, it is also perfectly suitable for surface protection of various plates such as plastic sheets, metal plates, decorative panels and architectural boards. It provides long-lasting effective protection for workpieces during cutting, polishing, assembly and handling procedures in industrial production.

YY0525 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:What are its typical features?

A: Excellent light shielding, high dimensional stability and good tensile strength.

Q2: Storage suggestions?
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.

Q3. Can I get free samples?

Free samples are available, buyer only pays shipping cost.

Q4. What certifications do you have?

ISO 14001:2015.