Features and Benefits
Medium-strength, general purpose thread sealant for straight/straight and straight/taper threads and fittings. Fills the space between threaded parts and seals and locks at the same time.
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
Easy to apply
Medium-strength, general purpose thread sealant for sealing metal threads
Instant low pressure seal
Cures on active and inactive metals
NSF P1 Reg. No. 123001
Suitable for all metals
DVGW Approval (EN 751-1): DVGW Reg. No. NG-5146CQ0312
Locks connection against vibration-induced loosening and other stresses
Technical Information
| Agency approvals / certificates / specifications |
DVGW, NSF, WRAS |
| Application method |
Dispense System, Manual |
| Applications |
Pipe Sealing, Thread Sealing |
| Breakaway torque, Steel M10 |
33.0 N·m (295.0 in./lb. ) |
| Colour |
Yellow |
| Cure type |
Anaerobic Cure |
| Key characteristics |
Chemical Resistant, Fluorescent, General Purpose, Immediate Low Pressure Sealing, Strength: Medium Strength, Surface Contamination-Tolerant, Temperature: High Temperature, Thixotropic |
| Operating temperature |
-55.0 - 150.0 °C (-65.0 - 300.0 °F ) |
| Physical form |
Paste |
| Recommended for use with |
Metal, Metal: Passive Metal, Thread Type: Tapered |
| Viscosity, 20 RPM |
25000.0 mPa·s |
Documents and Downloads
Technical Data Sheet