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.
- Prevents leakage: It fills all gaps between the mating threads and cures into a hard thermoset plastic that provides 100% seal.
- Medium strength general purpose thread sealant with large gap filling (up to 0.25 mm) capacity.
- Works on all metal substrates including active and passive metals.
- Seals pipe joint against corrosion.
- Excellent chemical resistance
- Instant low pressure seal
- Suitable for all metals
- Easy to apply
- Cures on active and inactive metals
- NSF P1 Reg. No. 123001
- DVGW Approval (EN 751-1): DVGW Reg. No. NG-5146CQ0312
Technical Information:
Agency Approvals / Specifications |
DVGW, WRAS, NSF |
Breakaway Torque, Steel M10 |
33.0 N·m (295.0 in./lb. ) |
Color |
Yellow |
Key Characteristics |
Thixotropic, General Purpose, Strength: Medium Strength |
Operating Temperature |
-55.0 – 150.0 °C (-65.0 – 300.0 °F ) |
Viscosity, 20 RPM |
25000.0 mPa·s |