LOCTITE® 577
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
Documents and Downloads
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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 |