• Item Name: LOCTITE® HHD 3546F
• 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 3546F is a one-component reactive polyurethane hot-melt adhesive with 100% solids content and slight odor. The adhesive is a beige solid that cures exclusively by moisture and provides high green strength within 10 minutes. With 20% bio-based raw material content, it is designed for automatic or manual assembly, offering long open time, fast fixture, and reliable structural bonding performance.
Structural adhesive applications
Electronic device assembly
Automatic or manual production line bonding
High green strength and long open time requirements
| Property | Uncured | Cured |
|---|---|---|
| Appearance | Beige solid | – |
| Viscosity @ 110°C, mPa·s (cP) | ~4,000 | – |
| Density @ 25°C, g/cm³ | 1.1 | – |
| Open Time @ 25°C, min | 12 | – |
| Application Temperature (°C) | 90–120 | – |
| Elongation at Break (%) | – | 1,143 |
| Tensile Modulus (MPa) | – | 125 |
| Tensile Strength (MPa) | – | 9.24 |
| Cross Tensile Strength, PC/SUS, 24 hrs (MPa) | – | >3 |
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