Henkel Loctite® Stycast® 2850FTJ with CAT 11 Two-Component Epoxy Encapsulant

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Henkel Loctite® Stycast® 2850FTJ with CAT 11 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 11 provides the following product characteristics: Long pot life Excellent chemical resistance Good physical and chemical properties at elevated temperatures Cure: Heat cure Information provided by Henkel.
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Physical Properties	Original Value	Comments

Density	2.29 g/cc	Mixed
	2.40 g/cc	Part A, Loctite Stycast 2850FTJ
Water Absorption	0.050 % @Time 86400 sec	Immersion
Viscosity	48 cP @Temperature 65.0 °C	Part B, Loctite CAT 11
Brookfield Viscosity	64000 cP	Mixed
	225000 cP	Part A, Loctite Stycast 2850FTJ; Spindle 7, Speed 5 rpm
Linear Mold Shrinkage	0.0020 cm/cm
Outgassing - Total Mass Loss	0.020 %	NASA Method, Sample cured 4 hours @ 80ºC; CVCM
	0.29 %	NASA Method, Sample cured 4 hours @ 80ºC; TML

Mechanical Properties	Original Value	Comments
Hardness, Shore D	96

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+15 ohm-cm
Dielectric Constant	5.36 @Frequency 1e+6 Hz
Dielectric Strength	15.0 kV/mm
Dissipation Factor	0.043 @Frequency 1e+6 Hz

Thermal Properties	Original Value	Comments
CTE, linear	31.2 µm/m-°C	Alpha 1
	97.9 µm/m-°C	Alpha 2
Thermal Conductivity	1.28 W/m-K
Glass Transition Temp, Tg	115 °C

Processing Properties	Original Value	Comments
Cure Time	0.500 - 1.00 hour @Temperature 120 °C	Option 3. Post cure of 2 to 4 hours at the highest expected use temperature is recommended.
	2.00 - 4.00 hour @Temperature 100 °C	Option 2. Post cure of 2 to 4 hours at the highest expected use temperature is recommended.
	8.00 - 16.0 hour @Temperature 80.0 °C	Option 1. Post cure 2 to 4 hours at the highest expected use temperature is recommended.
Working Life	>= 240 min @Temperature 25.0 °C	100 g
Shelf Life	6.00 Month	Part A, Loctite Stycast 2850FTJ, from date of manufacture

Descriptive Properties
Appearance	Black Liquid	2850FTJ
Mix Ratio, by Volume	100 : 9.5	Material : Catalyst
Mix Ratio, by Weight	100 : 4.5	Material : Catalyst

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PHENK7935 / 255421

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