Red-brown liquid Solvent free phenalkamine modified epoxy hardener HW-5454 with good moisture resistance during curing Epoxy hardener HW-5454 is a low viscosity, solvent and benzyl alcohol free phenalkamine curing agent designed for epoxycoating applications protecting metal and concrete substrates. It has excellent rapid cure properties, even at lowtemperatures, offers very good chemical resistance, and provides excellent adhesion on wet or otherwise unpreparedsurfaces and