Make certain that the inks or coatings used are free of waxes, anti-oxidants, and mineral oils or the UV coating will have an "orange peel" appearance and it's scuff resistance will be reduced. Watch out for the silicone content of the ink that you plan to use. A high silicone level will cause poor adhesion between the ink and the UV coating.

Call your ink manufacturer and request inks that are specially formulated for use with UV coating.

Clay or enamel coated stocks are the best paper surfaces for UV coating. Uncoated stock will yellow and absorb the coating resulting in greatly diminished, if any, high gloss affect. UV coated stocks lighter than 60# cover tends to curl and crack when folded.