1.Parylene AF4 Dimer（Parylene AF-4）Basic Information

2. Physical & Chemical Properties

3. Advantages of  FANGCUNDA Parylene AF4

Parylene AF4 developed and manufactured by FANGCUNDA is a high-performance fluorinated parylene material designed for demanding applications. As an advanced member of the poly-para-xylylene family, Parylene AF4 offers outstanding reliability and protection for industries such as electronics, semiconductors, aerospace, and medical devices.

1. Excellent High-Temperature Resistance and Stability

Parylene AF4 features superior thermal stability compared with conventional parylene types. It maintains stable performance over a wider temperature range, making it suitable for harsh and high-temperature operating environments.

2. High Purity and Consistent Quality

Fangcunda’s AF4 powder is manufactured with high purity and strict quality control, ensuring uniform vapor deposition and excellent film consistency. This results in dense, defect-free coatings with reliable protective performance.

3. Outstanding Chemical and Dielectric Properties

Thanks to its fluorinated molecular structure, Parylene AF4 exhibits exceptional chemical inertness and corrosion resistance. It effectively protects substrates from moisture, chemicals, and aggressive environments, while also providing excellent electrical insulation for high-reliability electronic components.

4. Superior Conformal Coating Performance

Compatible with the Parylene chemical vapor deposition (CVD) process, AF4 can form ultra-thin, uniform, and pinhole-free coatings on complex and precision components, ensuring complete coverage even on intricate geometries.

5. Local Manufacturing and Flexible Support

As a China-based manufacturer, Shenzhen Fangcunda offers fast delivery, flexible customization, and responsive technical support. This localized production advantage helps customers reduce lead times, control costs, and accelerate project development.