Conformal Coating Services for PCB Assemblies

Describe the operating temperature range, humidity or condensation, contaminants and service life. Identify sensitive circuits and any connectors, switches, sensors or optical surfaces that must remain free of coating.

Request review of the actual assembly and environment before treating a material family as the specification. State whether you already have an approved material or need candidate materials evaluated against a defined test plan.

Mark required coverage and keep-out areas on a controlled drawing. Identify both board sides, edges, test points and inaccessible areas. Include material identity, target dry-film requirements and the applicable acceptance documents.

Ask the quotation to identify masking, programming, curing and inspection work separately where relevant. A general instruction to coat the board leaves too much room for different interpretations of the same project.

Resolve cleaning, drying and electrical testing before coating begins. Confirm when programming, connector assembly and final enclosure integration occur, and how repairs will be handled if a later test finds a problem.

Agree a first-article review using representative prototype assemblies. Review coverage photographs, process records and the specified measurements before releasing a larger batch. Keep approved exceptions with the assembly revision and carry them into the repeat-production manufacturing brief.

The volume tool converts your coated area and dry-film target into a liquid-use scenario using volume solids and transfer efficiency. Enter component surfaces and both sides where applicable rather than just the board outline.

The result is not a quotation or process approval. Send the scenario with your readiness brief so PCBSync can review material, masking, inspection and quantity together and return a scope-specific response.