• Item Name: LOCTITE HHD 3583UV
• Manufacturer: Henkel
• Technologies: Polyurethane Hot Melt, Dual Cure
• Color: Yellow
• Cure Type: Ultraviolet (UV) light and Moisture
• Package Size: Contact to Techniq VN for details.
• Shelf Life: Contact to Techniq VN for details.
LOCTITE HHD 3583UV is a yellow, polyurethane hot-melt adhesive with dual curing via UV light and moisture. It features a long open time, allowing flexibility in both automatic and manual assembly processes. The adhesive provides good flexibility after curing and high handling strength immediately after bonding, making it suitable for structural bonding and device assembly applications.
Device assembly
Structural adhesive bonding
Automatic or manual line processes requiring dual-cure
| Property | Uncured / Before Mixed | After Cured |
|---|---|---|
| Appearance | Yellow | – |
| Technology | Polyurethane Hot Melt | – |
| Solids Content (%) | 100 | – |
| Viscosity (Brookfield, 100 °C, mPa·s) | 5,250 | – |
| Density @ 25 °C (g/cm³) | 1.1 | – |
| Open Time @ 25 °C, without UV (minutes) | 15–20 | – |
| Open Time @ 25 °C, with UV (minutes) | 8–10 | – |
| Preheating Schedule | 20–30 min @ 100 °C | – |
| Application Temperature (°C) | 90–110 | – |
| Recommended UV Cure | UVA 375 nm, 25–75 mW/cm² | Fully cured in 1–5 days |
| Cure Mechanism | UV & Moisture | Final strength achieved after 1–5 days |
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