3M Scotchkote Abrasion Resistant Epoxy Coating (AREC) 328 is a 100% solids, two-part epoxy system designed for directional drilling, rocky terrain, or other applications that require a rugged coating.Mix nozzles sold separately. For use with the 3M Scotchkote Liquid Epoxy Coating Spray System HSS 900/1000 ml. Applicator.