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There are many PCBA conformal coating application, especially in some environments with harsh temperature and humidity. PCBA with conformal coating paint has excellent insulation, moisture-proof, anti-leakage, anti-vibration, dust-proof, anti-corrosion, anti-aging, and anti-mildew, anti-part loosening, insulation and corona resistance performance, can extend the storage time of PCBA, isolate external corrosion, pollution, etc.
Conformal coating can be use brush or spray to coating PCB surface.
PCBA conformal coating process steps are: brushing/ Spraying side A → surface drying → brushing/ Spraying side B → curing at room temperature
Spraying thickness: 0.1mm—0.3mm
All coating operations should be carried out under the conditions of not lower than 16℃ and relative humidity lower than 75%.
