HT Plus Sealant
Colt Group Industrial Leak Repair > Specialty Mechanical Solutions > Industrial Leak Repair > HT Plus Sealant
High temperatures, high pressures, and high performance – all converge into Colt’s revolutionary HT Plus sealant. Engineered to thrive under extreme conditions, HT Plus is the ultimate solution for sealing challenges in demanding environments.


HT Plus sealing compound from Colt® is engineered to endure and excel where others falter. Its thermally activated formula expands and cures seamlessly, ensuring every joint cavity is effectively sealed. This innovative compound guarantees reliable performance even in the harshest conditions, allowing for easy disassembly when maintenance or repairs are needed.
HT Plus adheres seamlessly to a wide range of materials, including metals, ceramics, rubber, and plastics, ensuring reliable sealing across diverse surfaces. Not only does it seal damaged surfaces, but it also significantly reduces process leakage when used as a gasket dressing with a new gasket and proper torque sequence.
HT Plus sealant is designed for convenience, offering seamless application and effortless removal, especially in shutdown scenarios. Minimal surface preparation is required with HT Plus, needing only a simple cleaning using a wire brush and degreaser to begin application, minimizing downtime, and maximizing efficiency.