Conformal Coating Alternative Technology


Application of conformal coatings has been used for some time to enhance the lifetime and reliability of electronics made to operate in harsh environments. Conformal coatings are typically used on PCBs to protect from moisture attack, chemicals, salt and other exposures. There are several key challenges utilizing traditional conformal coatings in consumer electronics with very strict tolerances, performance requirement, and high volume UPH required. Challenges with traditional conformal coatings include:

  • Difficulty maintaining uniform thickness. Poor edge coverage leads to failure
  • Long cure times lead to poor throughput
  • Reworking is impossible or extremely difficult
  • Masking is complicated and time intensive
  • Coatings are thick making it difficult to incorporate into tight tolerance configurations
  • High viscosity formulations lead to limited application methods


Aculon® NanoProof® line of coatings are cost effective solutions which exceed the performance of traditional conformal coatings while also solving the above issues:

  • Thin and uniform coatings. Good edge coverage
  • Extremely quick dry times
  • Up to IPX7+ levels of protection
  • Easy to rework
  • No masking needed
  • Flexible application methods
  • Thin coatings can be utilized in nearly any packaging configuration
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