• Item Name: LOCTITE® ECCOBOND EN UV4202
• Manufacturer: Henkel
• Technologies: Acrylate
• Color: Orange and translucent
• Cure Type: Ultraviolet (UV) light
• Package Size: Contact to Techniq VN for details.
• Shelf Life: 6 months
LOCTITE ECCOBOND EN UV4202 is a one-component, UV-curable acrylate encapsulant supplied as an orange translucent paste. It features a low modulus, elastomeric behavior, strong thixotropy, and fluorescence under UV light. Designed for gasketing and encapsulation, it provides flexible circuit protection with easy processing and reliable performance.
Electronic encapsulant for circuit board protection
Cured-in-place gasketing (CIPG) applications where acrylic rubber-like sealing is required
Ideal for assemblies requiring a low modulus, flexible protective layer
| Property | Still Not Mixed (Uncured) | After Mixed / Cured |
|---|---|---|
| Appearance | Orange, translucent paste | Solid elastomeric gasket |
| Viscosity (mPa·s, @10 s⁻¹) | 78,000 | — |
| Thixotropic Index | 7.2 | — |
| Specific Gravity | 1.1 | — |
| Shelf Life (days @ 8–28°C) | 180 | — |
| Cure Method | UV light (365 nm) | — |
| Cure Dose (mJ/cm²) | 6,000 | — |
| Required Intensity (mW/cm²) | 500 | — |
| Hardness (Shore A) | — | 32 |
| Glass Transition Temp (°C) | — | -16 |
| Storage Modulus @ 25°C (MPa) | — | 2.9 |
| Elongation (%) | — | 439 |
| Lap Shear Strength (PC to FR-4, MPa) | — | 1.8 |
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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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