Conformal coating is a specialised protective coating applied to the surfaces of printed circuit boards (PCBs) and electronic components. Its primary function is to form a transparent or semi-transparent film on the surface of the circuit board, thereby providing “three-proof” protection for electronic components. This film effectively resists moisture condensation, corrosion from acids, alkalis and salts, fungal growth, and, to a certain extent, dust contamination and chemical erosion, thereby significantly enhancing the reliability and service life of electronic equipment in harsh environments.
✅ Defence and aerospace electronics (e.g. flight controllers)
✅ Automotive electronics (e.g. engine control units)
✅ Industrial control equipment (such as PLCs and variable frequency drives)
✅ New energy systems (such as charging points and solar inverters)
✅ Outdoor LED displays, lighting fixtures and telecommunications base station equipment
✅ Control boards used in damp environments such as kitchens and bathrooms in domestic appliances.
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