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• Apply paint on your PCB.
• Spread it on the PCB with covering the transparent mask film.
• Expose it under UV light ( or sun ) for a few minutes.
• Wash away the extra paint by gasoline or oil base solvent.
• This paint is used to protect PCB traces from corrosion, moisture.
• It is also used for repairing PCB after soldering, rework.
• Package : 1* UV Solder Mask Ink