4223F-312G Premium Polyurethane conformal coating

https://www.mgchemicals.com/products/conformal-coating/conformal-coating-spray/urethane-coating-spray/

4223F-312G is a 1-part, heat curing, UL 746E certified, thermoset urethane (UR) conformal coating spray. It cures to a durable, flexible, scratch resistant and smooth finish. It is easy to apply and can be handled in 15 minutes. It cures in only 2 hours at 100 °C (212 °F). It may be removed with the right conformal coating remover (MG’s 8309 or 8310A) or soldered through for repair or rework.

4223F-312G is considered to be one of the best conformal coatings for protecting circuit boards in chemically challenging environments. It provides strong protection against aggressive chemicals, corrosion, moisture, fungus, dirt, dust, thermal shock, abrasion, short circuit, high-voltage arcing, and static discharge.

This product is also available in liquid format.

For acrylic conformal coating sprays, see 419D-340G or 419E-340G, and for silicone conformal coating sprays see 422B-340G or 422C-340G.

Features & Benefits
Certified UL 746E (File# E203094) for outdoor use
Qualified to IPC-CC-830B
Convenient aerosol packaging
Excellent corrosion resistance
Xylene and isocyanate-free
Fluoresces under UV-A light