LOCTITE® ECCOBOND UF 3812
Caractéristiques et avantages
Reworkable epoxy underfill encapsulant for CSP, WLCSP, and BGA production. Compatible with most lead-free solders.
If you're looking for a halogen-free underfill that shows stable performance under thermal stress, consider LOCTITE® ECCOBOND UF 3812™. This black-liquid, epoxy-based underfill showcases excellent thermal cycle performance and sturdy electrical performance under thermal and humid bias. Our ECCOBOND UF 3812™ solution can be used with most Pb-free solders; is designed for the production of CSPs, WLCSPs, and BGAs; and is formulated to flow at room temperature with no additional preheating required.
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Informations techniques
| Applications | Encapsulage, Sous-remplissage |
| Coefficient de dilatation thermique (CDT), Above Tg | 175.0 ppm/°C |
| Coefficient de dilatation thermique (CDT), Below Tg | 48.0 ppm/°C |
| Couleur | Noir |
| Module de stockage, DMA @ 25.0 °C 3-point bending | 3004.0 N/mm² (435580.0 psi ) |
| Programme de durcissement, @ 130.0 °C | 10.0 min |
| Temps de service | 1.0 jour |
| Température de stockage | -20.0 °C |
| Température de transition vitreuse | 131.0 °C |
| Type de polymérisation | Polymérisation par la chaleur |
| Vie en pot | 3.0 jour |
| Viscosité, Physica @ 25.0 °C Spindle CP50-1, Shear Rate 1,000 s⁻¹ | 350.0 mPa.s (cP) |
LOCTITE® ECCOBOND UF 3812
Reworkable epoxy underfill encapsulant for CSP, WLCSP, and BGA production. Compatible with most lead-free solders.