Applications

LOCTITE ABLESTIK ABP 8035 – Die attach adhesive for high brightness LED and wirebonding applications

Item Name: LOCTITE ABLESTIK ABP 8035
Manufacturer: Henkel
Technologies: Silicone
Color: Colorless transparent liquid
Cure Type: Heat cure
Package Size: Contact to Techniq VN for details.
Shelf Life: 6 months

1. Product Overview

LOCTITE ABLESTIK ABP 8035 is a silicone-based, non-conductive die attach adhesive specifically formulated for high-brightness LED applications. It delivers excellent adhesion at elevated temperatures, high heat and UV resistance, and anti-yellowing properties, making it ideal for wirebonding and automated dispensing processes.

2. Applications

  • LED die attach in high-brightness LED assemblies

  • Semiconductor material adhesion

  • Pin-transfer and automated dispense applications requiring high thermal stability

3. Typical Properties

Property Unit Value
Appearance Colorless transparent liquid
Viscosity, Brookfield CP51, 25°C, 5 rpm mPa·s (cP) 7,880
Work Life @ 25°C hours 24
Shelf Life @ -20°C days 183
Cure Schedule 1 hour @ 150°C or 175°C
Weight Loss on Cure % <3
Coefficient of Thermal Expansion, above Tg ppm/°C 268
Glass Transition Temperature (Tg) °C -56
Thermal Conductivity W/m·K 0.2
Light Transmittance % Initial >90; After heat/UV aging >85
Die Shear Strength 2×2 mm Au to Au @ 25°C Kg-f 2.8

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