LOCTITE 545

(Known as Loctite 545 Thread Sealant Hydraulic/Pneumatic Sealant )


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*some package sizes excluded

High lubricity thread sealant for locking and sealing metal pipes and small fittings with fine threads.

LOCTITE® 545 is a pipe thread sealant designed for locking and sealing of metal pipes and fittings. It is specially formulated to offer high lubricity for easy assembly and removal. Recommended for fine threaded fittings as used in hydraulic and pneumatic installations and small fittings in general. Suitable for fittings up to 50 mm in diameter including pneumatic and hydraulic fittings.


Your benefits

  • Excellent solvent resistance
  • ABSSM approved
  • CFIA approved
  • Contains no fillers or particles that could contaminate system fluids, foul valves, or clog fine filters and screens

Applications For Metal Parts
Agency Approvals / Specifications ABS, CFIA Listed
Color Purple
Cure Type Anaerobic Cure
Key Characteristics Filler: Unfilled, Solvent Resistant, Temperature: High Temperature
Number of Components 1 Part
Physical Form Liquid
Pressure Resistance (psi) 10000
Substrates Metal
Technology Thermoset
Temperature Range (°C) -54 to 149
Temperature Range (°F) -65 to 300
Viscosity (Brookfield mPa.s (cP)) 14000
Viscosity Temperature (°C) 25
Viscosity Temperature (°F) 77