NIEL-SEAL Gasket & Joint Sealing Compound is a specialized turbo-generator sealant engineered for hydrogen-cooled turbo-generator end shields. It ensures watertight hydrogen containment by being injected into joints and cavities. Available in medium and light variants, it is supplied in 5 lb packs suitable for high-pressure sealing applications. Niel-Seal is heat-resistant, vibration-proof, and chemically resilient, making it a trusted solution for critical equipment. Previously known as Tite-Seal® by Abbey Products, it is also effective in sealing gearboxes, hose connections, and various mechanical joints.