Versachem 12270 1200 Series Black RTV Silicone - 10.3 oz. High strength, moisture curing RTV silicone; maintains long-term durability and flexibility Forms a tough, flexible silicone rubber material; resists aging and weathering providing a leak proof seal Use to bond, seal, insulate, repair, fill voids and more Temperature Range: -100F to 450F (-73C to 232C) Suggested Applications: Glass, vinyl, wood, most metals, brick, and concrete; excellent for home, marine, and automotive applications