Fast, reliable, and certified sealing for metal & plastic pipes. LOCTITE® 55 delivers immediate, full-pressure sealing with no cure time, making it ideal for quick, easy, and dependable installations. Perfect for plumbing, heating, and industrial maintenance—while still allowing precise re-adjustments after sealing.
Key Benefits
- Instant sealing: full system pressure right after application.
- No curing required: save time on every job.
- Versatile: for metal and plastic threaded pipes and fittings.
- Adjustable: allows reliable post-installation re-adjustments.
- Durable: resists vibration, temperature changes, and corrosion.
Approvals & Certifications
- Approved for gas and potable water applications.
- Tested to EN 751-2 Class ARp and DIN 30660.
- Certified to NSF/ANSI Standard 61.
Ideal For
- Plumbing & heating installations.
- Industrial maintenance and repairs.
- Fast, reliable sealing where downtime must be minimized.
Choose LOCTITE® 55 when you need a quick, clean, and dependable threaded pipe seal—without waiting for cure times.














Reviews
There are no reviews yet.