Krylon High Build Hardener, Industrial Grade, Series: Epoxy Mastic 100, 1 gal, Can, Liquid, Activator, Semi-Gloss, >20.5 cSt Viscosity, 116 to 232 sq-ft/gal Coverage, Chemical Composition: Crystalline Silica, Respirable Powder, Epoxy Polymer, Acetone, Methyl Isobutyl Ketone, Xylene, Ethylbenzene, Formaldehyde, 10 days at 40 deg F/7 days at 77 deg F/4 days at 100 deg F Curing, 40 to 140 deg F, 79 g/L VOC