The Black RTV Adhesive Sealant by Permatex is a premium-quality silicone sealant designed for a wide range of automotive and industrial applications. This adhesive sealant forms a durable, flexible, and weather-resistant seal that withstands high temperatures, vibrations, and chemicals. The 311g cartridge provides easy dispensing and ensures efficient application. Ideal for sealing engine components, gaskets, and other surfaces.