Applications

LOCTITE ABLESTIK ABP 8430AA – Non-conductive die attach adhesive for wirebond cap and diffuser attach

• Item Name: LOCTITE ABLESTIK ABP 8430AA
• Manufacturer: Henkel
• Technologies: Epoxy
• Color: Black
• Cure Type: Heat cure
• Package Size: Contact to Techniq VN for details.
• Shelf Life: 6 months

1. Product Overview

LOCTITE ABLESTIK ABP 8430AA is a black, heat-curable epoxy adhesive designed for non-conductive die attach applications. It offers excellent resin bleed-out performance, fast curing, and black pigmentation to block stray light. The adhesive provides strong adhesion to glass and most plastics, ensuring reliable performance in wirebond package assemblies. Its formulation supports cap and lid attachment while maintaining proper bondline thickness to prevent die scarring.

2. Applications

  • Cap and diffuser attachment in wirebond packages

  • Non-conductive die attach

  • Glass and plastic substrate bonding

  • Applications requiring fast cure and stray light blocking

3. Typical Properties

Property Value
Uncured Material
Viscosity, Brookfield DV-II CP51, 25°C, mPa·s (cP) 14,100
Thixotropic Index (0.5/5 rpm) 5.3
Pot Life @ 25°C, hours 24
Shelf Life @ -20°C, days 180
Curing Performance
Recommended Cure 60 min @ 120°C
Cured Material
Glass Transition Temperature (Tg), °C 75
Coefficient of Thermal Expansion, ppm/°C Below Tg: 50, Above Tg: 150
Optical Density @ 350–800 nm, 200 µm >4.0
Die Shear Strength, MPa 2×2 mm Si die on alkali-doped glass: 30

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