MG Chemicals 419D-P-BL Blue Overcoat Pen
Protects printed circuit boards against moisture, corrosion, and thermal shock.
1 - No Hazardous Air Pollutants—free of toluene or xylene - See more at:https://www.mgchemicals.com/products/prototyping-and-circuit-repair/pens/overcoat-pen-419d/#sthash.IXLfdta6.dpuf
2 - Excellent finish—smooth, homogeneous, and durable
3 - Protects electronics from moisture, corrosion, fungus, and static discharges - See more at:https://www.mgchemicals.com/products/prototyping-and-circuit-repair/pens/overcoat-pen-419d/#sthash.IXLfdta6.dpuf
4 - Easy rework and repairs—removable with Cat. No. 435, 4352 thinner or Cat. No. 8310 stripper - See more at:https://www.mgchemicals.com/products/prototyping-and-circuit-repair/pens/overcoat-pen-419d/#sthash.IXLfdta6.dpuf
5 - Comes in variety of colors—blue, black, clear, green, and white - See more at: https://www.mgchemicals.com/products/prototyping-and-circuit-repair/pens/overcoat-pen-419d/#sthash.IXLfdta6.dpuf

