LOCTITE® 2432 is a blue, medium strength, thixotropic anaerobic threadlocker formulated for sensitive and passive metals. It features low sulphur and halogen content, cures without primer, and allows disassembly with standard hand tools .
LOCTITE® 2432 is designed to lock and seal threaded fasteners in applications where removal with basic tools is required. Its thixotropic medium viscosity avoids dripping and ensures internal cure between closely fitting metal parts. The low halogen and sulphur formula protects sensitive alloys—such as stainless steel and titanium—especially where corrosion, galvanisation or contamination are concerns .
Specific gravity ~1.08 at 25 °C; viscosity 150 – 450 mPa·s (cone & plate, 129 s⁻¹)
Fixture time approximately 20 minutes; full cure in 24 hours under typical conditions
Breakaway torque on M10 black oxide steel ~17 N·m; prevailing ~6 N·m
Compressive shear strength ≥6 N/mm² (870 psi)
Service temperature range: approximately –65 °F to +300 °F (–54 °C to +150 °C)
Primary Chemistry: Methacrylate ester
Prevents loosening due to shock, vibration or corrosion Locks threads securely without seizing, even on sensitive substrates Removes haze around fasteners thanks to neat application and contained cure Avoids damage to coatings and anodised parts by eliminating aggressive additives
Intended for locking and sealing threaded fasteners on steel, stainless steel, titanium, and other passive metals Typical applications include pumps, compressors, valve assemblies, instrumentation fasteners in nuclear, industrial and power generation sectors PRO TIP: Clean surfaces with suitable solvent; priming not required for most passive metals but Activators 7471/7649 can be used for added speed Apply a full 360° bead to male thread, assemble, torque to spec, allow 24 hours for maximum performance; disassembly may be done with hand tools or mild heat (~250 °C)
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