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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Hardness, Shore D	88
Tensile Strength	62.0 MPa
Flexural Strength	103 MPa
Compressive Strength	110 MPa

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

Thermal Properties	Original Value	Comments
CTE, linear	40.0 µm/m-°C	TMA
Thermal Conductivity	0.660 W/m-K
Maximum Service Temperature, Air	155 °C
Minimum Service Temperature, Air	-55.0 °C

Processing Properties	Original Value	Comments
Cure Time	0.500 - 1.00 hour @Temperature 120 °C	Option 3
	2.00 - 4.00 hour @Temperature 100 °C	Option 2
	8.00 - 16.0 hour @Temperature 80.0 °C	Option 1
Working Life	>= 240 min @Temperature 25.0 °C	100 g
Shelf Life	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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