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
  • 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
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Documents and Downloads

Safety Data Sheets and RoHs
LOCTITE 577, 250ml 2099612 en-JP
IDH: 2099612

Size Case: Tube

LOCTITE 577, 250ml 235280 en-JP
IDH: 235280

Size Case: 250 ml Bottle

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Technical Information

Agency Approvals / Specifications DVGW, WRAS, NSF
Color Yellow
Key Characteristics Thixotropic
Operating Temperature -10.0 - 135.0 °C
Pressure Resistance 10000.0 psi
Viscosity, Brookfield - RVT, @ 25.0 °C Spindle 6, speed 2.5 rpm 70000.0 - 130000.0 mPa·s (cP)