BOSS® by Soudal HVAC Silicone Sealant, Series: 370 Series, 4.5 gal Net Content, Cartridge Container, Paste Form, Acetic Acid Odor/Scent, Composition: 20 to 30% Distillates (Petroleum), Hydro-Treated Middle, 5 to 10% Amorphous Silica, -35 to 140 deg F Application, -40 to 400 deg F Service, 0.96 Specific Gravity, 24 g/L VOC, 350 psi Tensile Strength, Applicable Materials: Ceramic, Glass, Metal, Plastic Surface, Silicone Resin, Vulcanized Silicone Rubber, Wood