metacaulk® Firestop Sealant, 150+ Series, 10.3 oz Net Content, Cartridge Container, Composition: 4-Hydroxy-4-Methyl-2-Pentanone, Paste Form, Gray/Red, Odor/Scent: Mild, 3 to 4 weeks Curing Time, 18 cu-in Coverage Area, 7 to 8 pH pH, 1.5 Specific Gravity, 212 deg F Boiling Point, <10 g/L VOC, Water Base, Density: 12.5 lb/gal, 3 years Shelf Life, Fire/Smoke Rating: 10 Flame, 0 Smoke, Flammability Limit: 0, Applicable Materials: Fiberglass, Insulated Pipe, Metal, Plastic, Application Method: Caulk Gun, Trowel, Evaporation Rate: >1 %, 40 to 120 deg F