LOCTITE 577 has been designed for locking and sealing metal pipes and fittings as well as other cylindrical metal assemblies. It provides an instant, low-pressure seal for metal pipes and fittings. It will not creep, shrink or block systems by shredding. LOCTITE 577 is suitable for fast application at low temperatures. It has excellent chemical and thermal resistance and offers less migration of liquid product after application to the part.