PL-620 is a liquid photoinitiator compound developed specifically for thick clear UV and LED curable coatings.

PL-620 is soluble in most monomers, oligomers and pre-polymers. It is insoluble in H2O.
Unit of Measure

Typical Properties

Viscosity @ 25 ºC (cps)

N/A 50 to 150

Specific Gravity

N/A 1.18

Performance Properties

N/A Easy to use liquid Excellent through and surface cure Low yellowing UV or LED Systems Very fast curing


N/A Light yellow liquid

Flash Point

N/A > 100 ºC


N/A Faint, characteristic

Usage Levels

N/A 2 to 8 %

Typical Applications

N/A High coat weight clear and white coating and ink systems.