Product Name
Permabond LH056 Non-aggressive, Excellent chemical and temperature resistance Anaerobic Adhesive
Brief Description
Permabond LH056 is an anaerobic pipe sealant specifically engineered for sealing metal pipes and fittings, particularly within sprinkler systems that may also incorporate CPVC piping. It creates an instant seal upon application, and once fully cured, the seal typically exceeds the burst rating of the pipe itself. This adhesive prevents leaks, guards against corrosion, and resists loosening caused by vibration. It cures at room temperature in the absence of air and in the presence of metal.
Popular Applications & Uses
- Sealing metal pipes and fittings in sprinkler systems.- Sealing threaded connections in hydraulic and pneumatic systems.- Replacing traditional pipe dope and sealing tapes.- Preventing corrosion and vibration loosening in pipe joints.- Sealing cut and mis-threaded fittings.
Industries that Commonly Use It
- Construction/ Building Services- General Manufacturing- Metal Fabrication- Chemical Industry- Petroleum Industry, Products or Services- Energy- Automotive Service/Repair- Transportation/ Specialty Vehicle- Pool/Spa/Plumbing- Aerospace/Defense- Military
Special and Unique Features
- Non-aggressive – will not attack CPVC piping.- Excellent chemical and temperature resistance.- Forms an instant seal.- Cures at room temperature.- Uncured material fully dissolves in water.- Does not contain solvents.- Will not shred, tear, or cause blockages.- Prevents corrosion and locks against vibration loosening.- FBC™ System Compatible, ensuring chemical compatibility with FlowGuard Gold®, BlazeMaster®, and Corzan® CPVC piping systems.
Key Properties
- Type: Anaerobic Thread Sealant / Pipe Sealant- Color: White (uncured)- Viscosity: 90,000 - 150,000 cP at 25°C (uncured)- Cure Time (Fixture): 30-60 minutes on brass, 60-120 minutes on black iron at 23°C.- Full Strength Cure: 24 hours at 23°C.- Temperature Rating: -55°C to 177°C (-65°F to 350°F)- Pressure Rating: Up to 1000 PSI (instant seal), typically to burst rating of pipe once fully cured.- Maximum Gap Fill: 0.5 mm (0.02 inches)- Torque Rating: Breakaway: 4 N·m (35 in·lb), Prevail: 3 N·m (25 in·lb)- Specific Gravity: 1.1
Surface Compatibility
- Designed for threaded metallic pipe joints.- Compatible with metal pipes in systems that may also contain CPVC piping.- Cure is initiated by the presence of metal.- Copper and its alloys accelerate cure speed.- Oxidized or passivated surfaces like stainless steel, zinc, and aluminum may have slower cure times; activators (Permabond A905, ASC10) can be used to accelerate cure.- Not recommended for use in contact with oxygen, oxygen-rich systems, and strong oxidizing materials.- Users must check compatibility with thermoplastics as it may adversely affect some.
Known backups / known substitutes
- Other Permabond anaerobic pipe sealants (e.g., Permabond LH050, LH150, LM012).- Other anaerobic thread sealants from brands like Loctite, Bondloc, Truloc, Hernon, Delta, and ThreeBond.- Traditional pipe dope.- PTFE (Teflon®) tape.
Comparison Note
Permabond LH056, as an anaerobic sealant, offers significant advantages over traditional pipe dope and PTFE tape. It cures to form a solid plastic seal that effectively resists vibration loosening, does not shrink or crack, and prevents corrosion. Unlike pipe dope, it is 100% solids, and unlike PTFE tape, it will not shred or cause blockages within the system. It provides a complete and reliable seal even when pipes are not perfectly seated and allows for directional freedom during assembly.
