Parylene and Arathane 5750: Low Outgassing Conformal Coatings

Posted by Sean Horn on Fri, Mar 17, 2017

Outgassing occurs when previously adsorbed or occluded gases or water vapor are released from some material.  With respect to protective conformal coatings, outgassing encompasses the discharge of gases previously confined within a high-frequency printed circuit board (PCB) or similar assembly material, often resulting in functional difficulties.