• Item Name: LOCTITE® HHD 3544F
• Manufacturer: Henkel
• Technologies: Polyurethane Hot Melt
• Color: Beige solid
• Cure Type: Moisture
• Package Size: Contact to Techniq VN for details.
• Shelf Life: Contact to Techniq VN for details.
LOCTITE HHD 3544F is a one-component reactive polyurethane hot-melt adhesive with 100% solids content and beige solid appearance. It cures exclusively by moisture, providing high handling strength immediately after bonding. The adhesive has 60% bio-based raw material content and is suitable for both automatic and manual assembly line production.
Structural adhesive applications
Electronic structural bonding
Automatic or manual assembly line production
Applications requiring long open time and high initial handling strength
| Property | Uncured | Cured |
|---|---|---|
| Appearance | Beige solid | – |
| Odour | Slight | – |
| Viscosity @ 110°C, mPa·s (cP) | ~5,000 | – |
| Density @ 25°C, g/cm³ | 1.1 | – |
| Open Time @ 25°C, min | 4 | – |
| Application Temperature (°C) | 90–120 | – |
| Tensile Modulus, MPa | – | 190 |
| Tensile Strength, MPa | – | 11 |
| Elongation at Break, % | – | 1,070 |
| Cross Tensile Strength, 24h, PC/SUS, MPa | – | >3 |
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