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Polyurethane Conformal Coating Solutions

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Urethane Guide
Fill out the short form below to download our Urethane 101 Guide instantly. Urethane Resin is a popular choice for many different applications. Download Urethane Resin 101: Coating Facts Sheet today to learn about this exciting coating!

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Learn more about:

  • Best uses of Urethane Resin
  • How to apply Urethane Resin
  • Benefits of Urethane Resin

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Learn More About Polyurethane

Polyurethane coatings are amongst one of the most popular choices for conformal coating applications, they are available as single component, two component, UV curable, and water borne systems. As a group, all provide excellent humidity and chemical resistance plus outstanding dielectric properties for extended periods; which make them one of the more popular coatings when it comes to protection of the critical operation of your printed circuit boards (PCBs).

Polyurethane Coating Solutions

Conformal coating circuit boards reduces conductor spacing’s on PCBs and it will offer superior protection in an aggressive environment as well as protecting the PCB against environmental particulates.

More About Polyurethane

Why Polyurethane?

A main reason conformal coatings are used are to extend the warranties on consumer electronics in the following fields automotive, control drives, fire alarms as well as military/aerospace safety features and long term reliability. The selection of conformal coating material is a crucial factor that needs to be considered carefully and in relation to the application method. The wrong selection can not only affect the long term reliability of the circuit board but can cause massive difficulties with both processing and costs.

The most common standards for conformal coating are IPC A-610 and IPC-CC-830. These standards list indications of good and bad coverage and describe various failure mechanisms such as de-wetting and orange peel. Conformal coating inspection is a critical factor in determining successful coating application and long term reliability of PCBs. Using the IPC standards allows the coating operator to monitor the coating application performance. This can be done manually by the operator in an inspection booth by examining the PCB under white and UVA light or it can be done automatically by a conformal coating inspection system.

Acrylic Resin Coating Applications

More Benefits of Polyurethane

  • Good dielectric properties
  • Good moisture resistance
  • Solvent resistance
  • Less reversion potential
  • Abrasion resistance


Conformal Coating Solutions for Aerospace & Defense
Conformal Coating Solutions for Electronics
Conformal Coating Solutions for Automotive
Conformal Coating Solutions for LEDs
Conformal Coating Solutions for Medical
Conformal Coating Solutions for MEMs