Henkel Loctite® Stycast® 2850FT/11 Two-Component Thermally Conductive Encapsulant

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Henkel Loctite® Stycast® 2850FT/11 Two-Component Thermally Conductive Encapsulant
Categories:	Polymer; Adhesive; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced
Material Notes:	Provides excellent heat dissipation and thermal shock resistance as well as protection from moisture and chemical agents. Typical applications include sensors, transformers, transducers, switches, and other small devices. Mix Ratio by weight = 100:4.5 Excellent Chemical Resistance Filled High temperature Cure Type: Heat Bonding Type: Epoxy
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Physical Properties	Original Value	Comments

Density	2.29 g/cc	Mixed
	2.40 g/cc	Part A, Loctite Stycast 2850FT
Water Absorption	0.050 % @Time 86400 sec	Immersion
Viscosity	48 cP	Part B, Loctite CAT 11
	64000 cP	Mixed
Brookfield Viscosity	250000 cP	Part A, Loctite Stycast 2850FT; Spindle 7, Speed 10 rpm
	250000 cP	Part A, Loctite Stycast 2850FT, Small Sample Adapter; Spindle 14, speed 3 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
Flexural Strength	117 MPa
Compressive Strength	193 MPa

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
Maximum Service Temperature, Air	155 °C
Minimum Service Temperature, Air	-55.0 °C
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	12.0 Month	Part A, Loctite Stycast 2850FT

Descriptive Properties
Appearance	Black	Part A, Loctite Stycast 2850FT
Mix Ratio, by Volume	100 : 9.5	Material : Catalyst
Mix Ratio, by Weight	100 : 4.5	Material : Catalyst

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