2UUL PCB UV Curable Solder Mask with 3pcs 0.6mm Super Thin Needles, 10ml UV green/black oil paint. Insulates printed circuit board against shorting and arcing to protect PCB traces from corrosion, and moisture, repairing PCB after soldering and rework.

Specifications:
Color: Green/Black
Syringe Length: Approx. 10 cm
Material: Paint
Capacity: 10 ml

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.

Note: the solder mask can only be sent out by special post.