LOCTITE launches a new future-ready thread sealing product

LOCTITE 55 has always been the trusted choice for reliable thread sealing and its development continues

Loctite 55 Thread sealer

ACORN is proud to offer solutions that keep professionals ahead. LOCTITE 55 has always been the trusted choice for reliable thread sealing and its development continues, now formulated without PFAS ingredients, the new Loctite 55 ensures readiness for related upcoming regulations while maintaining the same proven performance.

Why LOCTITE 55 stands out

Installers have relied on LOCTITE 55 for years because it delivers what matters most: instant full-pressure sealing, no curing time, and full adjustability after application. Unlike PTFE tape, it does not shred during installation, making every job faster and more reliable. Certified for use with gas, potable water, oxygen, and hydrogen, LOCTITE 55 is the ultimate solution for professional sealing.

Same Performance, Smarter Formula

Now formulated without PFAS ingredients, aligning with market expectations and potential future regulations. This proactive step means professionals can continue using LOCTITE 55 with confidence knowing it is designed for today and tomorrow without any compromise in reliability or certifications.

Award-Winning Packaging with Sustainability in Mind

LOCTITE 55 is not just about performance; it is about innovation. Its redesigned packaging, made with 70% recycled plastic, has earned prestigious awards like the Red Dot Award for Sustainable Design. 

LOCTITE 55 remains the most advanced thread sealing solution on the market and now future-ready and available in our assortment. It is the same trusted product professionals know, but improved to meet the highest standards.

If you would like to know more about the new LOCTITE 55 speak to our lubrication & adhesives expert