Loctite 577 Thread Sealant

Overview

Loctite 577 is a 1-part, medium-strength, thixotropic anaerobic thread sealant for general-purpose sealing of straight-to-straight and straight-to-taper threaded fittings. It cures on both active and inactive metals without surface activation, tolerates minor contamination, and resists creeping, shrinking or shredding.

Specifications

Color

Yellow

Strength

Medium

Base Type

Acrylates (anaerobic)

Viscosity

25,000 cP (mPa·s) at 20 RPM

Cure Type

Anaerobic

Service Temperature

-55°C to 150°C (-65°F to 300°F)

Certifications

NSF Category P1 registered, DVGW Approval EN 751-1 (NG-5146CQ0312), KIWA GASTEC QA AR-214 (hydrogen gas systems), WRAS approved

Technical Information

• Cures on active and inactive metals, no activator needed
• Gap performance up to 0.25mm
• NSF P1, DVGW, GASTEC and WRAS approved

Typical Applications

• Straight-to-straight and straight-to-taper threaded fittings
• General metal pipe and fitting sealing
• Gas and hydrogen service piping

Industries

Technical Documents