Henkel Loctite® Stycast® 2651 with CAT 11 Dielectric Grade Epoxy Encapsulant

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Henkel Loctite® Stycast® 2651 with CAT 11 Dielectric Grade Epoxy Encapsulant
Categories:	Polymer; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced
Material Notes:	Loctite Stycast 2651 provides the following product characteristics: General purpose Can be used with a variety of catalysts Application: Encapsulation Loctite Stycast 2651 is a dielectric grade epoxy encapsulant designed for general purpose applications and has excellent adhesion to a wide variety of substrates. 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	Metric	English	Comments

Density	1.56 g/cc	0.0564 lb/in³	Mixed; ASTM D792
	1.65 g/cc	0.0596 lb/in³	Part A, Loctite Stycast 2651
Water Absorption	0.10 % @Time 86400 sec	0.10 % @Time 24.0 hour	Boil, Cured
Viscosity	45 cP @Temperature 65.0 °C	45 cP @Temperature 149 °F	Part B, Loctite CAT 11
Brookfield Viscosity	25000 cP	25000 cP	Mixed
	225000 cP	225000 cP	Part A, Loctite Stycast 2651; Spindle 7, speed 5 rpm
Outgassing - Total Mass Loss	0.010 %	0.010 %	Sample cured 3 hours @ 100ºC; ASTM E 595, CVCM
	0.63 %	0.63 %	Sample cured 3 hours @ 100ºC; ASTM E 595, TML

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	88	88
Tensile Strength	62.0 MPa	8990 psi
Flexural Strength	103 MPa	14900 psi
Compressive Strength	110 MPa	16000 psi

Electrical Properties	Metric	English	Comments
Volume Resistivity	5.00e+15 ohm-cm	5.00e+15 ohm-cm
Dielectric Constant	3.9 @Frequency 1e+6 Hz	3.9 @Frequency 1e+6 Hz
	4.6 @Frequency 1000 Hz	4.6 @Frequency 1000 Hz
	4.8 @Frequency 60 Hz	4.8 @Frequency 60 Hz
Dielectric Strength	17.7 kV/mm	450 kV/in
Dissipation Factor	0.010 @Frequency 1000 Hz	0.010 @Frequency 1000 Hz
	0.020 @Frequency 60 Hz	0.020 @Frequency 60 Hz
	0.020 @Frequency 1e+6 Hz	0.020 @Frequency 1e+6 Hz

Thermal Properties	Metric	English	Comments
CTE, linear	40.0 µm/m-°C	22.2 µin/in-°F	TMA
Thermal Conductivity	0.660 W/m-K	4.58 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	155 °C	311 °F
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F

Processing Properties	Metric	English	Comments
Cure Time	30.0 - 60.0 min @Temperature 120 °C	0.500 - 1.00 hour @Temperature 248 °F	Option 3
	120 - 240 min @Temperature 100 °C	2.00 - 4.00 hour @Temperature 212 °F	Option 2
	480 - 960 min @Temperature 80.0 °C	8.00 - 16.0 hour @Temperature 176 °F	Option 1
Working Life	>= 240 min @Temperature 25.0 °C	>= 240 min @Temperature 77.0 °F	100 g
Shelf Life	9.00 Month	9.00 Month	Part A, Loctite Stycast 2651, from date of manufacture

Descriptive Properties
Appearance	Black		Part A, Loctite Stycast 2651
Mix Ratio, by Volume	100 : 12.5		Material : Catalyst
Mix Ratio, by Weight	100 : 8.5		Material : Catalyst

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PHENK7921 / 255408

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