Item Name: LOCTITE® UK U-05FL (Hysol® Product U-05FL)
Manufacturer: Henkel
Technologies: Two-component urethane adhesive
Color: Off-white (Resin – Yellow liquid; Hardener – Cloudy white liquid; Mixture – Off-white)
Cure Type: Room temperature cure (heat accelerates)
Package Size: Contact to Techniq VN for details.
Shelf Life: Contact to Techniq VN for details.
LOCTITE® UK U-05FL (also known as Hysol® U-05FL) is a medium-viscosity, two-component polyurethane adhesive. Once cured at room temperature, it forms an off-white, highly flexible bond line that provides excellent peel and shear strength. The adhesive is valued for its combination of toughness, durability, and clarity, making it reliable for both structural bonding and encapsulating sensitive components.
Bonding metals, plastics, glass, wood, and composites
Potting and encapsulating strain- and heat-sensitive electronic components
Structural joints requiring peel and shear resistance
| Property | Value / Range | Notes |
|---|---|---|
| Uncured – Resin | ||
| Chemical Type | Polyisocyanate | — |
| Appearance | Yellow viscous liquid | — |
| Specific Gravity @ 25 °C | 1.10 (1.0–1.2) | — |
| Viscosity @ 25 °C | 640 mPa·s (300–1,100) | — |
| Flash Point | 188 °C | TCC |
| Uncured – Hardener | ||
| Chemical Type | Polyol | — |
| Appearance | Cloudy white liquid | — |
| Specific Gravity @ 25 °C | 1.10 (0.9–1.1) | — |
| Viscosity @ 25 °C | 152,000 mPa·s (90,000–215,000) | — |
| Flash Point | >93 °C | TCC |
| Mixed | ||
| Appearance | Off-white | — |
| Specific Gravity @ 25 °C | 1.10 | — |
| Mix Ratio (Resin:Hardener) | 100:200 (by weight), 1:2 (by volume) | — |
| Working Life | 5 min | @ 25 °C |
| Tack Free Time | 160 min | @ 25 °C |
| Cured Properties @ 25 °C | ||
| Dielectric Strength | 400 V/mil | — |
| Tensile Strength | 1,300 psi | ASTM D638 |
| Tensile Elongation | 74 % | ASTM D638 |
| Hardness | 45 Shore D | ASTM D1706 |
| Glass Transition Temp. (Tg) | 48 °C | — |
| Shear Strength – Grit-Blasted Steel | 6.4 N/mm² (930 psi) | — |
| Shear Strength – Aluminum (Etched) | 14.6 N/mm² (2,120 psi) | — |
| Shear Strength – Polycarbonate | 13.6 N/mm² (1,970 psi) | — |
| Shear Strength – Wood (Fir) | 9.6 N/mm² (1,390 psi) | — |
| Block Shear – Epoxy | 21.4 N/mm² (3,110 psi) | — |
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Techniq Vietnam provides end-to-end materials and process solutions, integrating world-class technologies in adhesives, soldering, and thermal management.
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