Precision bonding. Rapid results. Proven reliability.
When speed and strength matter, LOCTITE® 406 delivers. This low-viscosity, fast-curing instant adhesive is engineered for plastics and elastomers—ideal when you need quick fixturing and a reliable hold. Pair it with LOCTITE® 770 or LOCTITE® 7239 primers to tackle difficult-to-bond substrates with confidence.
Key Benefits
- Ultra-fast performance — rapid bonding for plastics and rubber, including EPDM.
- Low viscosity — precise application with excellent capillary action.
- Enhanced adhesion — use with LOCTITE 770/7239 primers for tough plastics.
- Safer handling — reduced hazardous ingredients for improved workplace safety.
Ideal Uses
- Plastic component assembly and repair.
- Rubber/EPDM seals and gaskets.
- Consumer product and electronics assembly.
- Automotive, aerospace, and manufacturing tasks.
At a Glance
- Type
- Cyanoacrylate instant adhesive.
- Viscosity
- Low (for precision wicking and small bond lines).
- Size
- 25 ml.
- Substrates
- Plastics & elastomers (including EPDM); improved on difficult plastics with LOCTITE 770/7239.
Need primer? Add LOCTITE 770 or LOCTITE 7239 to maximize adhesion on challenging plastics.
Always follow the manufacturer’s instructions and test on a small area to confirm compatibility with your materials and process.
















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