Low viscosity conformal coating from Intertronics cures with light

Formulated with technology that is an alternative to thin, solvent-based conformal coatings, Dymax 9452-FC is an advanced electronics conformal coating, released by Intertronics.

It has a very low viscosity of 20cP, which still provides good electrical insulation and protection against humidity, says Intertronics, in addition to good thermal shock and corrosion resistance. Dymax 9452-FC offers an instant ultra-violet (UV) and visible light cure with secondary heat cure for shadow areas within electronic assemblies, to ensure that no area is left unprotected. Dymax 9452-FC fluoresces blue which enables fast, easy inspection. Dymax 9452-FC is believed to be the first light cure conformal coating to provide these high performance characteristics in one easy-to -use product.

Dymax 9452-FC coating can be precision-sprayed. It is environmentally friendly, compared to solvent-based alternatives, says Intertronics, being 100 per cent solids. It is curable using UV light emitting diode (LED) -based curing systems in addition to conventional broad spectrum lamps, with the associated production and cost benefits.

In-house analysis shows the Dymax 9452-FC coating’s performance through reliability tests such as heat and humidity resistance (500 hours at 85 degree C / 85 per cent relative humidity) and corrosion resistance (sulphur and salt spray resistance).

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