LOCTITE® ABLESTIK ABP 2035SCR

Features and Benefits

This 1-part, non-conductive, snap-cure adhesive is designed for high-throughput die-attach applications. It offers low stress and excellent adhesion between dissimilar surfaces.
LOCTITE® ABLESTIK ABP 2035SCR is a 1-part, red, non-conductive, silica-filled die-attach adhesive paste for high-throughput applications. It is widely used in electronic applications, particularly smartcards, chip modules, and semiconductor packages. It is designed to minimize stress between the die and substrate, especially across materials with mismatched thermal expansion. Its thixotropic nature allows for easy flow dispensing and reduces migration after application. The product cures fast when exposed to heat.
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Technical Information

Applications Die attach
Coefficient of thermal expansion (CTE) 50.0 ppm/°C
Coefficient of thermal expansion (CTE), Above Tg 135.0 ppm/°C
Cure type Heat cure
Glass transition temperature (Tg) 118.0 °C
Thermal conductivity 0.4 W/mK
Thixotropic index 4.0
Viscosity, Brookfield CP51, @ 25.0 °C Speed 5 rpm 9830.0 mPa·s (cP)