About Parylene
Understanding Parylene CVD coating - the most advanced conformal coating technology available for electronics protection.
Understanding Parylene CVD coating - the most advanced conformal coating technology available for electronics protection.
Parylene is the generic name for a unique family of polymer coatings based on para-xylylene. Unlike conventional liquid conformal coatings, Parylene is deposited as a vapour in a vacuum chamber at room temperature - a process known as Chemical Vapour Deposition (CVD).
The CVD process allows Parylene to penetrate every surface of a component — including undersides of components, between leads and under low-clearance devices — producing a truly conformal, pinhole-free coating that cannot be achieved with liquid coating methods.
The resulting coating is ultra-thin (typically 1-50 µm), transparent, and provides outstanding protection against moisture, chemicals, dielectric breakdown and environmental contamination
Outstanding moisture barrier, chemical resistance and dielectric properties. The standard choice for defence, aerospace and medical electronics.
Best high-frequency dielectric properties and greatest penetrating power. Preferred for RF, microwave and medical implant applications.
Superior thermal stability compared to C and N. Suited to applications with elevated operating temperatures and thermal cycling.
Fluorinated variant with exceptional UV resistance and the highest thermal stability. Coating of choice for space and satellite applications.
Our team can advise on the right Parylene variant and process parameters for your specific requirements.