Henkel Loctite® ECCOBOND FP4651 Epoxy

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Henkel Loctite® ECCOBOND FP4651 Epoxy
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	Appearance: Black Cure: Heat Cure Product Benefits: High purity Self-leveling Excellent chemical resistance High thermal stability Low thermal expansion Low viscosity Components: One-component Application: Encapsulant Typical Application: Cavity-fill and fine wire pitch applications LOCTITE ECCOBOND FP4651 epoxy encapsulant features very low thermal expansion while retaining syringe dispense capabilities. Its low viscosity and 50 micron maximum particle size gives it improved handling properties over FP4650 for fine wire pitch and cavity-fill applications. It is based on FP4450 resin chemistry, therefore exhibiting excellent chemical resistance and thermal stability properties. Information provided by Loctite®
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Physical Properties	Original Value	Comments

Filler Content	82 %
Brookfield Viscosity	130000 cP	Spindle 7, speed 20 rpm

Thermal Properties	Original Value	Comments
CTE, linear	11.0 µm/m-°C @Temperature 40.0 - 120 °C	Cured, Below Tg
	50.0 µm/m-°C @Temperature 190 - 220 °C	Cured, Above Tg
Glass Transition Temp, Tg	150 °C	Cured

Processing Properties	Original Value	Comments
Cure Time	1.00 hour @Temperature 125 °C	plus 90 minutes @ 165°C
	2.00 hour @Temperature 110 °C	plus 3 hours @ 165°C
Gel Time	9.00 min @Temperature 121 °C

Descriptive Properties
Extractable Ionic Content (ppm)	1	Cured, Sodium (Na+)
	1	Cured, Potassium (K+)
	5	Cured, Chloride (Cl-)
Pot Life	2 days	Time required to double viscosity

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PLOCT5084 / 255295

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