This UV mask is used to protect PCB traces from corrosion & moisture.It is also used for repairing PCB after soldering & rework. Featured for quick drying, it insulates printed circuit board against shorting and arcing.    

Specifications:


Usage:
1) Apply paint on your PCB.    
2) Spread it on the PCB with covering the transparent mask film.    
3) Expose it under UV light ( or sun ) for a few minutes.    
4) Wash away the extra paint by gasoline or oil base solvent.