Jaro Corp 30th year anniversary

Conformal Coatings

Conformal coatings are dielectric materials applied to printed circuit boards or other electronic substrates to protect their circuitry from environmental stresses such as moisture, fungus, dust and corrosion. They also minimize dendritic growth and the electromigration of metal between conductors. These coatings work to significantly extend the life of electronic devices used in extreme environments.


Type AR (acrylic resin):
Acrylic conformal coatings are easy to apply and dry to the touch within minutes. Acrylics provide a moderate dielectric constant and a high resistance to fungus. These coatings are extremely sensitive to solvents, which may be a concern. However, this also allows for easy repairs.

Type UR (polyurethane resin):
Polyurethane coatings are one of the more resilient conformal coatings. They provide excellent humidity, abrasive, and solvent resistance. These coatings also possess exceptional dielectric properties. Due to their solvent resistance, chemical strippers are required for repairs.

Type SR (silicone resin):
Silicone conformal coatings provide exceptional corrosion and humidity resistance. These coatings also function well in high temperature applications. (Up to 200°C) Silicones are not solvent soluble and require chemical strippers.

Type ER (epoxy resin):
Epoxy conformal coatings are rugged and provide good humidity resistance and high chemical and abrasion resistance. These coatings are virtually impossible to remove for rework. They must be burnt through with a knife or soldering iron for any repairs.

* We also apply a variety of UV curable conformal coatings. These coatings can be AR, UR, or ER.


Conformal coatings are applied by hand spraying, dipping, or a computer controlled selective coating system. More information on the equipment used in these processes can be found here.


We apply a wide array of coatings that meet Mil-I-46058C and IPC-CC-830 specifications.

Conductive coatings >>



May 12, 2014

Jaro Corp. has opened a new sales office located in Escondido, CA, and has named John Rufo as the Regional Sales Manager in charge of the western United States. Please contact John at 760-889-9331 with any questions.

April 22, 2014

Jaro Corp. began carrying Lord Corporation’s conductive coating line, and has become their preferred coatings applicator.

February 1, 2014

Jaro Corp. received an award from Lockheed Martin Aeronautics recognizing our score of 100% for quality and delivery throughout 2013.

January 1, 2014

Jaro Corp. is celebrating its 30th anniversary this year!

October 1, 2013

Jaro Corp. has hired Mark Burns as its new Sales & Marketing Manager. Mark brings extensive industry experience to his new role and has quickly become a key member of the Jaro team.

June 9, 2012

Congratulations to Abbey D’Agostino, a Jaro Corp employee and daughter of Jaro’s Director of Technical Operations, Eric D’Agostino, for winning the 2012 NCAA 5k national championship!

May 2012

Jaro Corp has increased our automated production capacity with the addition of two new PVA computer controlled selective coating lines. These lines include both conventional and UV curing capabilities.

June 21 & 22, 2011

Jaro Corp will be attending the AmCon Design & Contract Manufacturing Expo on June 21-22, 2011.

February 26, 2011

Jaro Corp’s Quality Control Dept. is now certified to IPC-A-610 Acceptability of Electronic Assemblies.

September 22, 2010

Jaro Corp.'s new brochure is now available for download!

November 12, 2009

Jaro Corp. registers with the Online Representations and Certifications Application (ORCA).

October 22, 2009

Jaro Corp. registers with the U.S./Canada Joint Certification Program (JCP).

October 1, 2009

Jaro Corp. holds Open House! Click here for photos.

October 1, 2009

Jaro Corp. launches new website.

July 23, 2009

Jaro Corp receives ISO9001 & AS9100 certification.
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