Surecrete 55104025 1 qt DK 400 Part B is a commercial grade high gloss floor polyurethane solvent based for heavy-duty high traffic interior floor topcoat. It is a 2 component 51% solids, acrylic aliphatic polyurethane designed as a non-yellowing clear coating for interior concrete, concrete overlays, or as a clear top finish coat on epoxy systems. The high-gloss clear top coat generates the premier balance of strength, added UV stability, flexibility, chemical and scratch resistance that is both user-friendly and extremely durable.