LOCTITE® MR GS1 Gasket Sealant for extended gasket life, fast drying, rigid cure. LOCTITE Gasket Sealant 1 is asolvent based, reliable, paste-like gasket sealant, dressing, and coating. Sets quickly to a hard set and is recommended for rigid, permanent assemblies. Use to 400F. Resistant to gasoline and other solvents.Applications include threaded connections, air ducts, plumbing connections.