Henkel Loctite® ABLESTIK 843-1 Epoxy

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Henkel Loctite® ABLESTIK 843-1 Epoxy
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	Appearance: Silver Product Benefits: One component Solvent-free Electrically conductive High purity Strong bond strength Screen printable Syringe dispensable Cure: Heat cure Application: Die attach LOCTITE ABLESTIK 843-1 electrically conductive die attach adhesive has been formulated for use in high throughput, automated die attach equipment. This adhesive is ideal for application by syringe dispensing or screen printing. LOCTITE ABLESTIK 843-1 adhesive provides strong bonds and is designed to withstand thermal compression wire bonding. Information provided by Loctite®
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Physical Properties	Original Value	Comments

Viscosity	8500 cP	Uncured

Mechanical Properties	Original Value	Comments
Shear Strength	10.3 MPa @Temperature 350 °C	Die, 50 mil²
	27.6 MPa @Temperature 25.0 °C	Die, 50 mil²

Electrical Properties	Original Value	Comments
Volume Resistivity	0.00020 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	49.0 µm/m-°C	Cured, Below Tg
	120 µm/m-°C	Cured, Above Tg
Thermal Conductivity	2.07 W/m-K @Temperature 121 °C	Cured
Glass Transition Temp, Tg	76.0 °C	Cured

Processing Properties	Original Value	Comments
Cure Time	30.0 min @Temperature 170 °C
	30.0 min @Temperature 150 °C	Alternate Cure Schedule
Shelf Life	3.00 Month @Temperature 25.0 °C	Uncured, from date of manufacture
	6.00 Month @Temperature 5.00 °C	Uncured, from date of manufacture
	12.0 Month @Temperature -40.0 °C	Uncured, from date of manufacture

Descriptive Properties
Extractable Ionic Content (ppm)	10	Cured, Sodium (Na+)
	5	Cured, Potassium (K+)
	5	Cured, Chloride (Cl-)
Weight Loss (%)	0.22	Cured @ 250ºC

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PLOCT5010 / 255221

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