Conformal Coating is applied to electronic circuitry to protect against moisture, dust, chemicals, and temperature extremes. Its material is a thin polymeric film which conforms to the contours of a printed circuit board to protect the board's components.
A newly made printed circuit board will generally perform well, but performance can quickly deteriorate due to external factors during its operating environment. Conformal coating is one of the good options to prevent things like corrosion and electrical failures.
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