LOCTITE® 577 is designed for the locking and sealing of metal pipes and fittings as well as other threaded assemblies. The product provides an instant, low-pressure seal for metal pipes and fittings. It will not creep, shrink or shred. It has excellent chemical and thermal resistance and offers less migration of liquid product after application. Excellent chemical resistance Instant low pressure seal Suitable for all metals Medium-strength, general purpose thread sealant for sealing metal threads Locks connection against vibration-induced loosening and other stresses Easy to apply Cures on active and inactive metals NSF P1 Reg. No. 123001 DVGW Approval (EN 751-1): DVGW Reg. No. NG-5146CQ0312 Features and Benefits When fully cured, the sealant can withstand pressure more than 200barChemical ingredient present is methacrylateMedium strengthChemical ingredient present is methacrylateHigher-strength on contaminated surfacesHigh viscosity, thixotropicImproved thermal performanceOffers gap performance to 0.25 mmOperating temperature ranges between -55°C and 150°Chigh-performance on passive metals without an activatorEasy to apply Applications For medium strength applicationsSuitable for sealing of pipe fittings and coarse threaded componentsThread sealing