Henkel Loctite® Stycast® 2850FT with CAT 23LV Two-Component Thermally Conductive Encapsulant

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Henkel Loctite® Stycast® 2850FT with CAT 23LV Two-Component Thermally Conductive Encapsulant
Categories:	Polymer; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced
Material Notes:	Loctite Stycast 2850FT provides the following product characteristics: Thermally conductive Electrically insulative Thermal shock resistant Low CTE Can be used with a variety of catalysts Application: Thermally conductive epoxy encapsulant Typical Assembly Applications: Encapsulating Loctite Stycast 2850FT is recommended for encapsulation of components that require heat dissipation and thermal shock properties. Loctite Stycast 2850FT is also available in the unpigmented version. Loctite Stycast 2850FT can be used with Loctite CAT 9, Loctite CAT 11, Loctite CAT 23LV or Loctite CAT 24LV CATALYST DESCRIPTION Loctite CAT 23LV provides the following product characteristics: Low color Low viscosity Long pot life Excellent thermal shock and impact resistance Excellent low temperature properties Excellent adhesion to glass Cure: Room temperature cure Information provided by Henkel.
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Physical Properties	Metric	English	Comments

Density	2.19 g/cc	0.0791 lb/in³	Mixed
	2.40 g/cc	0.0867 lb/in³	Part A, Loctite Stycast 2850FT
Water Absorption	0.020 % @Time 86400 sec	0.020 % @Time 24.0 hour	Immersion
Viscosity	25 cP	25 cP	Part B, Loctite CAT 23LV
	5600 cP	5600 cP	Mixed
Brookfield Viscosity	250000 cP	250000 cP	Part A, Loctite Stycast 2850FT; Spindle 7, Speed 10 rpm
	250000 cP	250000 cP	Part A, Loctite Stycast 2850FT, Small Sample Adapter; Spindle 14, speed 3 rpm
Linear Mold Shrinkage	0.0030 cm/cm	0.0030 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	92	92
Flexural Strength	106 MPa	15400 psi
Compressive Strength	120 MPa	17400 psi

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+15 ohm-cm	1.00e+15 ohm-cm
Dielectric Constant	5.36 @Frequency 1e+6 Hz	5.36 @Frequency 1e+6 Hz
Dielectric Strength	14.8 kV/mm	376 kV/in
Dissipation Factor	0.051 @Frequency 1e+6 Hz	0.051 @Frequency 1e+6 Hz

Thermal Properties	Metric	English	Comments
CTE, linear	39.4 µm/m-°C	21.9 µin/in-°F	Alpha 1
	111.5 µm/m-°C	61.94 µin/in-°F	Alpha 2
Thermal Conductivity	1.10 W/m-K	7.63 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	105 °C	221 °F
Minimum Service Temperature, Air	-65.0 °C	-85.0 °F
Glass Transition Temp, Tg	68.0 °C	154 °F

Processing Properties	Metric	English	Comments
Cure Time	120 - 240 min @Temperature 65.0 °C	2.00 - 4.00 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	60.0 min @Temperature 25.0 °C	60.0 min @Temperature 77.0 °F	100 g
Shelf Life	12.0 Month	12.0 Month	Part A, Loctite Stycast 2850FT

Descriptive Properties
Appearance	Black		Part A, Loctite Stycast 2850FT
Mix Ratio, by Volume	100 : 17.5		Material : Catalyst
Mix Ratio, by Weight	100 : 7.5		Material : Catalyst

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PHENK7932 / 255418

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