This is a TRE6164 Epoxy Sealer Black. 2K Epoxy Primer Sealer/Groundcoat is an exceptional lead & chromate-free corrision-resistant coating with excellent adhesion on a variety of properly prepared surfaces. 2K Epoxy Primer Sealer/Groundcoat improves adhesion of body fillers & resists moisture damage caused by water permeation. If further reduced, this product may be used as a precoat or sealer/groundcoat prior to topcoating.