PSU Film: High-Performance Engineering Material for Modern Industries

PSU (Polysulfone) film from Dafu Advanced Materials is engineered for applications that demand thermal stability, mechanical strength, and long-term reliability. As a high-temperature engineering polymer, PSU film delivers outstanding performance across electronics, medical devices, automotive systems, and industrial equipment.

🔥 Key Performance Advantages

High Heat Resistance
Maintains excellent strength and dimensional stability at temperatures up to 160–170°C, suitable for continuous high-temperature operations.

Superior Mechanical Strength
Offers high tensile strength and impact resistance, ensuring long-term durability even under mechanical stress.

Hydrolysis & Chemical Resistance
Stable in steam, hot water, acids, and most chemicals — ideal for sterilizable and medical applications.

Electrical Insulation Excellence
Low dielectric constant and stable insulating properties make PSU film ideal for electronic insulation and electrical components.

Biocompatibility & Safety
PSU is inherently non-toxic, making it suitable for medical-grade and food-contact environments.

🔶 Typical Applications

✔ Electronics & Electrical Systems
Insulation sheets, sensor parts, and electrical structural components.

✔ Medical Devices
Reusable sterilization trays, fluid-handling components, and transparent protective films.

✔ Automotive & Mobility
Thermal-resistant insulating layers, connector components, and intelligent interior structures.

✔ Industrial & Aerospace
High-temperature structural films and chemical-resistant membrane components.

🔶 Dafu’s Capabilities

Film thickness range: 0.025–0.50mm

Width options up to 1050mm

Surface options: glossy / matte / semi-matte

Custom formulations & precision coating available

Suitable for die-cutting, thermoforming, printing, and multiple secondary processes

About Dafu Advanced Materials

Established in 2009, Dafu is a leading manufacturer of high-performance engineering films, including PEEK, PEI, PPSU, PSU, PPO, ultrathin capacitor films, and PC/PMMA composite sheets. Our products are widely used by global brands in electronics, medical, aerospace, and automotive sectors.