Henkel Loctite® Stycast® 2651MM with CAT 11 Two-Component General Purpose Encapsulant

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Henkel Loctite® Stycast® 2651MM with CAT 11 Two-Component General Purpose Encapsulant
Categories:	Polymer; Adhesive; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced
Material Notes:	Designed as a general purpose encapsulant which requires low viscosity and low abrasion. It is especially useful for machine dispensing and for parts that require post molding machining. 2651MM is a filled, low viscosity, general purpose, epoxy encapsulant. It contains a soft filler that both reduces abrasion in meter/mix equipment and enhances machinability in the cured product. Property data reported for 2651MM with CAT 11 Catalyst. Good Chemical Resistance Filled High temperature Thermally conductive Mix Ratio by Weight = 100:8.5 Cure Type: Heat
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Physical Properties	Metric	English	Comments

Density	1.59 g/cc	0.0574 lb/in³	Mixed
	1.61 g/cc	0.0582 lb/in³	Part A, 2651MM
Water Absorption	0.10 % @Time 86400 sec	0.10 % @Time 24.0 hour	Boil, Cured
Viscosity	48 cP @Temperature 65.0 °C	48 cP @Temperature 149 °F	Part B, CAT 11
Brookfield Viscosity	13000 cP	13000 cP	Mixed
	35000 cP	35000 cP	Part A, 2651MM; Spindle 5, speed 5 rpm
Linear Mold Shrinkage	0.0020 cm/cm	0.0020 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	<= 89	<= 89
Tensile Strength	48.0 MPa	6960 psi
Flexural Strength	83.0 MPa	12000 psi
Compressive Strength	104 MPa	15100 psi

Electrical Properties	Metric	English	Comments
Volume Resistivity	7.00e+12 ohm-cm @Temperature 150 °C	7.00e+12 ohm-cm @Temperature 302 °F
	4.00e+14 ohm-cm @Temperature 25.0 °C	4.00e+14 ohm-cm @Temperature 77.0 °F
Dielectric Constant	3.7 @Frequency 1e+6 Hz	3.7 @Frequency 1e+6 Hz
	4.4 @Frequency 1000 Hz	4.4 @Frequency 1000 Hz
	4.6 @Frequency 60 Hz	4.6 @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	0.600 W/m-K	4.16 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	12.0 Month	12.0 Month

Descriptive Properties
Appearance	Black		Cured
Mix Ratio, by Volume	100 : 13		Material : Catalyst
Mix Ratio, by Weight	100 : 8.5		Material : Catalyst

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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