10CC UV Solder Mask Ink Black Green Oil Soldering Flux Paste for BGA PCB Motherboard Paint Prevent Corrosive Arcing Usage: --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.