Professional Formula - This Black Silicone Adhesive Sealant Is A Sensor-safe, General Purpose Black RTV Sealant That Can Be Used Inside Or Outside For All Your Jobs. Multipurpose Formula- With A Temperature Range From -75°f To 450°f (-59°c To 232°c) Black RTV Silicone Can Be Used All Around And Can Be Used To Protect And Repair Electrical Wiring.