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Conformal Coatings

Enhanced protection for enhanced PCB performance

An Electrolube brand conformal coating product on printed circuit board undergoing UV cure.
  • UL, MIL and IPC-CC-830 approved
  • Solvent removable and solvent resistance coatings
  • Acrylic, Silicone, Polyurethane and Hybrid Materials
  • UV cure and water-based options available
  • UV trace to aid inspection
  • Thinners and masking products

Conformal coatings are designed to protect printed circuit boards and related equipment from their environment. Typically applied at 25-75μm, these coatings ‘conform’ to the contours of the board allowing for excellent protection and coverage, ultimately extending the working life of the PCB.

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Electrolube is among the world’s foremost experts in the formulation and application of conformal coatings designed to meet international approvals (including European and American military specifications). The range of products currently available comprises acrylics, silicones, polyurethanes, hybrid chemistries and environmentally friendly options.

Electrolube can offer both transparent and pigmented coatings to improve or camouflage the appearance of printed circuit boards. The range also includes a number of ancillary products to complement the use of our conformal coatings, including thinners and removers, peelable coating masks and thixotropic materials for dam and fill applications.

Electrolubes Conformal Coatings Technical Director Phil Kinner recently wrote a micro e-book on conformal coatings for harsh environments. It’s a great little insight into the selection, implementation and testing of protective coating process.


More Information

Conformal Coatings


AFA-G - Aromatic Free Acrylic Coating Gel

Aromatic Free Acrylic Coating Gel


Product code: AFAG35SL

AFA-G is a more viscous / Gel like version of the successful AFA conformal coating. It has been designed to be used alongside the other AFA coatings. AFA-G is intended to be dispensed around the base of connectors to act as a permanent masking material. This masking layer will help prevent the capillary flow of material into the connectors, which can cause loss insulation of tabs and loss of connectivity. In addition, the improved resistance to flow of AFA-G can be used to more clearly define difficult keep-out areas during selective coating. . It can also be used to re-enforce sharp edges of critical components which may otherwise be missed by less viscous materials during the coating process.

Available in a 35ml syringe with LuerLock-adapter, it can be applied by hand, as well as with automatic dispensing equipment.

As it is based on AFA, its properties as a conformal coating are much the same as the AFA coating range which includes being free of aromatic solvents making it less harmful to the environment and the operator. It has a fast touch-dry time and excellent adhesion to most substrates while providing outstanding protection against humidity and salt mist.

Key Properties:
  • Fast touch dry time at room temperature
  • Excellent adhesion to a wide variety of substrates.
  • Wide operating temperature range
  • Free from aromatic solvents such as Toluene and Xylene;
  • Excellent protection in humid environment
  • outstanding salt mist resistance.
  • UV trace to aid inspection
  • RoHS Compliant

Product data sheets
AFA-G (tds) Download

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