Loctite 577 Thread Sealant

Loctite 577 is a well-known medium-strength thread sealant used primarily for locking and sealing metal pipes and fittings. The brand was originally established in the United States in the 1950s by Vernon Krieble, who developed the unique anaerobic adhesive technology in a laboratory at Trinity College.

Today, Loctite is one of the flagship brands under the Henkel Group, a German multinational corporation. While the brand has American roots, its global manufacturing footprint is extensive, with major production facilities for the European market located in Tallaght, Ireland. The brand remains a dominant leader in the industrial and consumer adhesive markets worldwide.