Henkel Loctite® Stycast® 2651 with CAT 9 Dielectric Grade Epoxy Encapsulant

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Henkel Loctite® Stycast® 2651 with CAT 9 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 9 provides the following product characteristics: General purpose Good chemical resistance Good physical strength Cure: Room temperature cure Information provided by Henkel.
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Physical Properties	Original Value	Comments

Density	1.56 g/cc	Mixed
	1.65 g/cc	Part A, Loctite Stycast 2651
Water Absorption	0.25 % @Time 86400 sec	Boil, Cured
Viscosity	90 cP	Part B, Loctite CAT 9
Brookfield Viscosity	32000 cP	Mixed
	225000 cP	Part A, Loctite Stycast 2651; Spindle 7, speed 5 rpm
Outgassing - Total Mass Loss	0.030 %	NASA Method, Sample cured 8 hours @ 25ºC; CVCM
	0.37 %	NASA Method, Sample cured 8 hours @ 25ºC; TML

Mechanical Properties	Original Value	Comments
Hardness, Shore D	88
Tensile Strength	45.0 MPa
Flexural Strength	77.0 MPa
Compressive Strength	118 MPa

Electrical Properties	Original Value	Comments
Volume Resistivity	5.00e+15 ohm-cm
Dielectric Constant	3.9 @Frequency 1e+6 Hz
Dielectric Strength	17.7 kV/mm
Dissipation Factor	0.050 @Frequency 1e+6 Hz

Thermal Properties	Original Value	Comments
CTE, linear	43.3 µm/m-°C	TMA
Thermal Conductivity	0.660 W/m-K	ASTM D-2214
Maximum Service Temperature, Air	130 °C
Minimum Service Temperature, Air	-40.0 °C

Processing Properties	Original Value	Comments
Cure Time	1.00 - 2.00 hour @Temperature 65.0 °C	Option 3
	4.00 - 6.00 hour @Temperature 45.0 °C	Option 2
	16.0 - 24.0 hour @Temperature 25.0 °C	Option 1
Working Life	45.0 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 : 11.5	Material : Catalyst
Mix Ratio, by Weight	100 : 7	Material : Catalyst

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