LOCTITE 577


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*some package sizes excluded

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. NEW: Henkel has recently improved the product formulation of LOCTITE 577 providing:

  • Higher strength on contaminated surfaces
  • Improved thermal performance
  • High performance on passive metals without an activator


Your Benefits

  • Medium-strength, general purpose thread sealant for sealing metal threads
  • Suitable for all metals
  • Instant low pressure seal
  • Excellent chemical resistance
  • 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

Technical Data Sheets (TDS)

Loctite 577 (Loctite 577)
PDF

Product information

IDH# Item Name Size
Case Quantity
Safety Data Sheets
RoHS
231119 21456 LOCTITE 577 THREAD SEALANT
50 ml tube
 
209719 21457 LOCTITE 577 Thread Sealant
250 ml tube