Resilient and pliable, these LOCTITE Silicone Adhesive / Sealants cure at room temperature to form a tough rubber seal. Great for protecting leads from mechanical shock, electrical insulation, sealing doors, windows, ductwork, vents, flues, trim, signs and more. Formulated to withstand extreme temperature cycling, UV light and ozone. Adhere to most surfaces. Temperature-resistant from -65°F to 450°F (intermittent). USDA authorized. Cannot be painted. Available in Superflex Clear RTV 3 oz. Tubes (No. 38182), Superflex Clear RTV 11 oz. Cartridges (No. 38183), Superflex Black RTV 11 oz. Cartridges (No. 38185) Superflex Clear 8 oz. Automatic Tube® dispensers (No. 42612), or White RTV 8 oz. Automatic Tube® (No. 42614). Made in USA.