• Item Name: LOCTITE HHD 3212
• Manufacturer: Henkel
• Technologies: Epoxy
• Color: Straw liquid
• Cure Type: Heat cure
• Package Size: Contact to Techniq VN for details.
• Shelf Life: Contact to Techniq VN for details.
LOCTITE HHD 3212 is a one-component, low-halogen epoxy adhesive in a straw-colored liquid form. Designed for heat cure, it provides fast curing, high impact strength, and is ideal for electronic component assembly in handheld devices. The adhesive is formulated for applications requiring rapid production throughput and reliable structural bonding with high mechanical performance.
Device assembly
Structural bonding of electronic components
Applications requiring fast cure and high impact resistance
| Property | Uncured | Cured |
|---|---|---|
| Appearance | Straw liquid | – |
| Viscosity (mPa·s, Brookfield, 25°C, Spindle 52, 1 rpm) | 30,000 | – |
| Specific Gravity @25°C | 1.11 | – |
| Pot Life @25°C | 5 days | – |
| Flash Point | See SDS | – |
| Cure | Heat cure | 30 min @150°C |
| Isothermal DSC Conversion | – | 100% @150°C, 1.6 min |
| Hardness, Shore D | – | 59 |
| Elongation @ Break | – | 72% |
| Volume Shrinkage on Cure | – | 2.5% |
| Linear Shrinkage | – | 0.8 |
| Glass Transition Temperature (Tg) | – | 28°C |
| Water Absorption, 24 h @23°C | – | 0.8% |
| Tensile Modulus | – | 600 N/mm² |
| Tensile Strength | – | 14 N/mm² |
| Lap Shear Strength | – | Steel: 19.0 N/mm²; Galvanized steel: 18.2 N/mm²; Nickel steel: 17.0 N/mm² |
| Side Impact Strength | – | Steel: 14.8 KJ/mm²; Galvanized steel: 9.3 KJ/mm²; Nickel steel: 11.9 KJ/mm² |
| Electrical Properties | – | Volume resistivity: 1.8×10¹⁴ Ω·cm; Surface resistivity: 2.8×10¹⁵ Ω; Dielectric constant @1 MHz: 2.58, Dissipation factor: 0.04 |
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Loctite® 3296, a dual cure (UV & thermal) adhesive, is engineered for active alignment assembly of ADAS cameras and LiDAR modules. Its optimized bonding to aluminum and FR4 substrates ensures secure fixation of optical components while enabling nanometer level alignment critical for high resolution imaging.
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