Henkel Loctite® Stycast® 2850FTJ with CAT 9 Two-Component Epoxy Encapsulant

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Henkel Loctite® Stycast® 2850FTJ with CAT 9 Two-Component Epoxy Encapsulant
Categories:	Polymer; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced
Material Notes:	Loctite Stycast 2850FTJ provides the following product characteristics: Two component Good thermal conductivity Electrically insulative Low CTE Can be used with a variety of catalysts Also available in blue color Application: Encapsulation Typical Assembly Applications: High voltage applications Loctite Stycast 2850FTJ epoxy encapsulant is designed for use in high voltage applications where surface arcing or tracking is a concern. Loctite Stycast 2850FTJ is recommended for encapsulation of components that require heat dissipation and thermal shock properties. Loctite Stycast 2850FTJ can be used with Loctite CAT 9, Loctite CAT 11 or Loctite CAT 24LV CATALYST DESCRIPTION Loctite CAT 9 provides the following product characteristics: General purpose Good chemical resistance Good physical strength Cure: Room temperature cure Information provided by Henkel.
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Physical Properties	Metric	English	Comments

Density	2.29 g/cc	0.0827 lb/in³	Mixed
	2.40 g/cc	0.0867 lb/in³	Part A, Loctite Stycast 2850FTJ
Water Absorption	0.030 % @Time 86400 sec	0.030 % @Time 24.0 hour	Immersion
Viscosity	92 cP	92 cP	Part B, Loctite CAT 9
Brookfield Viscosity	58000 cP	58000 cP	Mixed
	225000 cP	225000 cP	Part A, Loctite Stycast 2850FTJ; Spindle 7, Speed 5 rpm
Linear Mold Shrinkage	0.0020 cm/cm	0.0020 in/in
Outgassing - Total Mass Loss	0.010 %	0.010 %	NASA Method, Sample cured 24 hours @ 25ºC; CVCM
	0.25 %	0.25 %	NASA Method, Sample cured 24 hours @ 25ºC; TML

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	96	96

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+15 ohm-cm	1.00e+15 ohm-cm
Dielectric Constant	5.01 @Frequency 1e+6 Hz	5.01 @Frequency 1e+6 Hz
Dielectric Strength	14.4 kV/mm	366 kV/in
Dissipation Factor	0.028 @Frequency 1e+6 Hz	0.028 @Frequency 1e+6 Hz

Thermal Properties	Metric	English	Comments
CTE, linear	35.0 µm/m-°C	19.4 µin/in-°F	Alpha 1
	98.9 µm/m-°C	54.9 µin/in-°F	Alpha 2
Thermal Conductivity	1.25 W/m-K	8.68 BTU-in/hr-ft²-°F
Glass Transition Temp, Tg	86.0 °C	187 °F

Processing Properties	Metric	English	Comments
Cure Time	60.0 - 120 min @Temperature 65.0 °C	1.00 - 2.00 hour @Temperature 149 °F	Option 3. Post cure of 2 to 4 hours at the highest expected use temperature is recommended.
	240 - 360 min @Temperature 45.0 °C	4.00 - 6.00 hour @Temperature 113 °F	Option 2. Post cure of 2 to 4 hours at the highest expected use temperature is recommended.
	960 - 1440 min @Temperature 25.0 °C	16.0 - 24.0 hour @Temperature 77.0 °F	Option 1. Post cure 2 to 4 hours at the highest expected use temperature is recommended.
Working Life	45.0 min @Temperature 25.0 °C	45.0 min @Temperature 77.0 °F	100 g
Shelf Life	6.00 Month	6.00 Month	Part A, Loctite Stycast 2850FTJ, from date of manufacture

Descriptive Properties
Appearance	Black Liquid		2850FTJ
Mix Ratio, by Volume	100 : 8.5		Material : Catalyst
Mix Ratio, by Weight	100 : 3.5		Material : Catalyst

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PHENK7934 / 255420

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