HARDCAST® Duct Sealant, 1 gal Net Content, Pail Container, Composition: De-Foaming Agent, Nonylphenol Polyethylene Glycol Ether, Polymer, Ethyl Acrylate and Methacrylic Acid, Acrylic Polymer, Polycarboxylate Salt, Ethylene Glycol, Fuller's Earth, Limestone, Paste Form, Gray, Slight Ammonia Odor/Scent, Synthetic Latex Base, 48 hr Dry Time, 8 to 9 pH, 212 deg F Boiling Point, 38 g/L VOC, Density: 1.39 g/cc, <1 g/cc Vapor Density, 17 mmHg Vapor Pressure, 1 year Shelf Life, Evaporation Rate: 24 to 28 %, -20 to 200 deg F