Whether protecting the electronics of a dishwasher or a loudspeaker, controlling a train, managing a defense system, or ensuring the operation of embedded equipment, an electronic failure can have significant consequences in terms of safety, availability, and cost.

PCBs are exposed to numerous environmental stresses: humidity, condensation, salt fog, dust, atmospheric pollutants, thermal variations, and chemical agents. Without suitable protection, these constraints can lead to corrosion, leakage currents, loss of insulation, and premature failure.

Among the protection solutions available on the market, ABchimie’s AVR80 BA has established itself as a benchmark thanks to its balance between technical performance, ease of implementation, and repairability.

What Is a Conformal Coating?

A conformal coating is a polymer film applied to electronic boards to protect them from external stresses. Its purpose is to create a protective barrier that perfectly conforms to the components and conductive tracks.

Applying a coating helps limit corrosion phenomena, reduce the risk of short circuits, improve resistance to humidity, and extend the service life of electronic equipment.

An Acrylic Coating Designed for Harsh Environments

The AVR80 BA belongs to the family of solvent-based acrylic coatings. This technology is particularly valued for its excellent adhesion, fast drying, strong dielectric performance, and ease of repair.

Its operating range of -65°C to +150°C allows it to be used in particularly demanding environments.

Recognized Industrial Track Record

One of the key criteria when selecting a conformal coating remains its proven field experience.

• Launch year: 2004
• Volume sold: an average of 150,000 liters/year
• User base: more than 100 customers
• Presence in 37 countries
• Used on several million electronic boards

These figures illustrate the trust placed in the product by manufacturers worldwide.

Why Do Engineers Continue to Choose the AVR80 BA?

The electronic coating market has evolved significantly with the arrival of UV technologies and 100% solids coatings. Nevertheless, repairable acrylic coatings retain an important place in industrial projects.

Above all, engineers seek a reliable, well-controlled, and documented solution. The AVR80 BA meets these expectations thanks to its industrial track record, ease of application, repairability, and numerous approvals.

High-Performance Protection Against Humidity and Corrosion

Humidity is responsible for a large share of the failures observed in electronic equipment. When water or condensation penetrates a PCB, several phenomena can occur: corrosion of tracks, ionic migration, leakage currents, or loss of insulation.

The AVR80 BA acts as a protective barrier that limits these phenomena and helps preserve the performance of electronic boards over the long term.

Exceptional Resistance to Environmental Stresses

Modern electronic equipment must operate in increasingly demanding environments.

The AVR80 BA withstands temperature variations, salt fog, corrosive gases, and thermal cycling. These characteristics make it particularly well suited to industrial, railway, automotive, and military applications.

Simplified Quality Inspection Through UV Fluorescence

Quality control of the coating process is an essential step in manufacturing.

To facilitate this inspection, the AVR80 BA incorporates a fluorescent tracer visible under ultraviolet light. Operators can thus verify coating coverage, identify insufficiently protected areas, and improve process traceability.

A Genuine Advantage: Repairability

In industrial sectors, it is often necessary to service an electronic board several years after its manufacture.

The AVR80 BA can be locally stripped and then reapplied after intervention. This characteristic makes it possible to replace a component, perform a modification, or repair a fault without having to replace the entire circuit.

Application Methods Suited to All Production Lines

The AVR80 BA integrates easily into production facilities thanks to its compatibility with numerous application methods: automated selective deposition, spraying, dipping, or manual application.

This versatility allows the same product to be used across multiple PCB manufacturing lines.

Approvals Recognized by the Most Demanding Sectors

The AVR80 BA meets several major standards: UL94 V0, IPC-CC-830, MIL-I-46058C, NF EN 61086-2, NF EN 45545, NF EN 16101, and NF EN 16102.

These approvals facilitate its integration into regulated sectors.

Applications Across Numerous Industrial Sectors

Industry, railway, defense, automotive, energy: wherever electronic reliability is critical, conformal coatings play an essential role.

The AVR80 BA is particularly valued for its robustness and ease of maintenance.

A Solution Chosen by Leading Manufacturers

ABchimie protection solutions are used by many international industrial players.

Notable references include Schneider Electric, Groupe SEB, Alstom, and Renault.

Questions About the AVR80 BA

What is the difference between a conformal coating and an encapsulant? An encapsulant completely covers the circuit in a thick resin, whereas a coating forms a thin, protective layer.

Is the AVR80 BA repairable? Yes, it can be locally removed and then reapplied to a PCB after intervention.

Is it suitable for railway and military applications? Yes, thanks to its approvals and long-term performance.

Conclusion

Choosing a conformal coating is not simply a matter of comparing technical specifications. Above all, it means selecting a solution capable of providing lasting protection for electronic boards while remaining compatible with manufacturing and maintenance constraints.

Thanks to its industrial track record, repairability, performance, and numerous approvals, the AVR80 BA is undeniably an essential benchmark for electronic board protection.

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