Friday, May 14, 2021

What is PCB Conformal Coating ?

 



Why Conformal Coating?


Conformal coating is a specially engineered polymeric film forming product that protects circuit boards, components, and other electronic devices from harmful environmental conditions like moisture, thermal shock, static, vibration, and contamination.

Conformal coating can protect PCB from the following, avoid corrosion and oxide building on metal parts, other damages to PCB from different environmental conditions.
  • Humidity Exposure  
  • Salt Mist Exposure  
  • Exposing PCBs to a mixed gas
  • Immersion in water (Most coatings will resist immersion for short periods of time)
  • Hash environments - dust / industrial environment 
  • Salty atmosphere




How Do I Apply a Conformal Coating?

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