3M Scotchkote Liquid Epoxy Coating 323 Purple is a two-part, ambient temperature cure, 100% solids content, thermosetting, liquid epoxy coating. Color match to 3M Scotchkote Fusion-Bonded Epoxy Rebar Coating 426.For use with the 3M Scotchkote Liquid Epoxy Coating Manual 50 ml Applicator.