Loctite 577 Thread Sealant Medium Strength 50ml
Loctite 577 medium-strength thread sealant, 50ml. Seals and locks threaded metal pipes and fittings, including stainless steel.
Loctite 577 Thread Sealant 50ml is a medium-strength thread sealant for locking and sealing threaded metal pipes and fittings.
Overview
The Loctite 577 Thread Sealant is a versatile, general-purpose solution that fills gaps between threaded components to create a secure, leak-proof connection. It also locks threaded components against vibration and stress. Its formulation tolerates high temperatures and minor surface contamination, supporting reliable performance in demanding environments.
Key Features
- Effective on both active and inactive metals, including stainless steel, without surface activation
- Gap-filling performance up to 0.25 mm
- Cures effectively in the presence of residues from cutting fluids, lubricants, anti-corrosion agents, or cleaners
- Provides an instant, low-pressure seal that does not creep, shrink, or shred over time
- Medium strength allows future disassembly and maintenance without damaging components
Specifications
- Certified performance: Meets KIWA GASTEC QA AR 214 requirements for admixtures up to 100% hydrogen gas (certifications available in select countries)
- Approvals: DVGW approval (EN 751-1) and NSF Category P1 registration
- Chemical resistance: Sealing against a wide range of chemicals and fluids
Applications
Suited to maintenance and installation tasks where perfect surface preparation is not always possible, this sealant balances security with serviceability for pipework and threaded metal fittings.
- Locking and sealing threaded metal pipes and fittings
- Filling gaps between threaded components up to 0.25 mm
- Active and inactive metals, including stainless steel
- Maintenance and installation tasks where perfect surface preparation is not always possible
- Volume: 50ml
- Strength: Medium
- Weight: 55 gm
- Width: 3.3
- Depth: 1.5
- Height: 4.3
- Gap Filling: Up to 0.25 mm
- Compatible Metals: Active and inactive metals, including stainless steel
- Special Feature: Instant, low-pressure seal
- Special Feature: Does not creep, shrink, or shred over time
- Special Feature: Vibration resistance
- Special Feature: Chemical resistance against a wide range of chemicals and fluids
- Certified Performance: Meets KIWA GASTEC QA AR 214 requirements for admixtures up to 100% hydrogen gas (certifications available in select countries)
- Approvals: DVGW approval (EN 751-1) and NSF Category P1 registration
Always follow local regulations and product guidance.
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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