• Item Name: LOCTITE® 4306™
• Manufacturer: Henkel
• Technologies: Cyanoacrylate/UV
• Color: Transparent, light yellow-green to dark blue-green liquid
• Cure Type: Ultraviolet (UV) / Visible light with secondary humidity cure
• Package Size: Contact to Techniq VN for details.
• Shelf Life: Contact to Techniq VN for details.
LOCTITE® 4306™ is a one-part cyanoacrylate adhesive with UV/visible light curing and a secondary humidity cure. It provides rapid fixturing, fillet cure, and surface cure, making it ideal for applications requiring fast processing. The product minimizes blooming and eliminates the need for solvent-based accelerators. It is also suitable for assembling disposable medical devices and meets ISO 10993 biocompatibility standards.
| Property | Value |
|---|---|
| Chemical Type | Ethyl cyanoacrylate with photoinitiator |
| Appearance | Transparent, light yellow-green to dark blue-green |
| Specific Gravity @ 25°C | 1.05 |
| Viscosity @ 25°C (mPa·s) | 10 to 35 |
| Flash Point | See SDS |
| Property | Value |
|---|---|
| Primary Cure Mechanism | UV/Visible Light |
| Secondary Cure | Humidity |
| Tack-Free Time (Electrodeless D Bulb 100mW/cm²) | ≤5 seconds |
| Depth of Cure (100mW/cm² @ 365nm) | Up to 14mm |
| Substrate | Fixture Time (seconds) |
|---|---|
| ABS | 5-10 |
| Acrylic | 5-10 |
| Aluminum (etched) | 20-30 |
| Polycarbonate | 30-45 |
| PVC | 90-105 |
| Steel (grit blasted) | ≤5 |
| Property | Value |
|---|---|
| Glass Transition Temperature (Tg) | 116°C |
| Shore Hardness (D) | 82 |
| Tensile Strength | 32.5 N/mm² (4,720 psi) |
| Elongation at Break | 2.2% |
| Volume Shrinkage | 16% |
| Water Absorption (7 days @ 22°C) | 1.1% |
| Bonded Materials | Shear Strength (N/mm²) |
|---|---|
| Polycarbonate | ≥9.0 |
| Acrylic to Glass | 2.3 |
| Acrylic to Acrylic | 13.6 |
| G-10 Epoxy to Glass | 5.0 |
| Steel (grit blasted) to Glass | 10.1 |
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