Parylene Coating Blog

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Conformal Coatings Thickness: Comparing Parylene with Liquid Coatings

Posted by Sean Horn on Fri, May 18, 2018

Of the five most commonly used conformal coatings, four – acrylic (AR), epoxy (ER), silicone (SR) and urethane (UR) – are classified as wet materials, meaning they are applied to substrates by three basic types of liquid-based technology:

Optical Clarity of Parylene at Increased Thickness

Posted by Sean Horn on Fri, May 11, 2018

Generally applied at micron-thin coating layers, parylene (XY) offers numerous barrier, dielectric, insulative and similar protective benefits to printed circuit boards (PCBs) and related electronic assemblies.  One property of parylene applied in its normal range of 0.013 – 0.051 mm. (0.0005 to 0.002 in.) is exceptional optical clarity, which makes it suitable for coating lenses […]

Parylene Effectiveness at Different Thicknesses

Posted by Sean Horn on Fri, May 4, 2018

Each conformal coating material exhibits a range of unique performance properties that determine its product uses.  Relevant factors include the required coating-thickness necessary to assure reliable performance.  Like other coating types, parylene (XY) layer thickness is largely a function of several factors:  (1) substrate material, (2) the kind of assembly being covered, and (3) its [&helli