Henkel Loctite® Stycast® 2057M with CAT 24LV Epoxy Encapsulant

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Henkel Loctite® Stycast® 2057M with CAT 24LV Epoxy Encapsulant
Categories:	Polymer; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced
Material Notes:	Loctite Stycast 2057M provides the following product characteristics: Low viscosity Good machinability General purpose Rapid air release Can be used with a variety of catalysts Application: Encapsulation, Potting Loctite Stycast 2057M is a general purpose encapsulant designed for machine dispensing and for parts requiring post molding machining. It contains a soft filler formulated to reduce abrasion in meter/mix equipment and to enhance machinability in the cured product. Loctite Stycast 2057M can be used with a variety of catalysts. CATALYST DESCRIPTION Loctite CAT 24LV provides the following product characteristics: Low color Low viscosity Long pot life Excellent thermal shock and impact resistance Excellent low temperature properties Excellent adhesion to glass Cure: Room temperature cure Information provided by Henkel.
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Physical Properties	Original Value	Comments

Density	1.05 g/cc	Part B, Loctite CAT 24LV
	1.74 g/cc	Part A, Loctite Stycast 2057M
Water Absorption	0.63 % @Temperature 100 °C, Time 3600 sec	Cured
	0.22 % @Time 86400 sec	Cured, RT
	0.59 % @Time 605000 sec	7 Days at RT, Cured
Viscosity	35 cP	Part B, Loctite CAT 24LV
Brookfield Viscosity	4.2 cP	Part A, Loctite Stycast 2057M; Spindle 5, speed 50 rpm

Mechanical Properties	Original Value	Comments
Hardness, Shore D	87

Electrical Properties	Original Value	Comments
Volume Resistivity	1.10e+15 ohm-cm
Surface Resistance	5.50e+16 ohm
Dielectric Constant	4.9 @Frequency 1e+6 Hz
	5.3 @Frequency 50 Hz
	5.5 @Frequency 1000 Hz
Dissipation Factor	0.0040 @Frequency 50 Hz
	0.0080 @Frequency 1000 Hz
	0.039 @Frequency 1e+6 Hz

Thermal Properties	Original Value	Comments
CTE, linear	137 µm/m-°C	Above Tg
Maximum Service Temperature, Air	105 °C	Continuous
	120 °C	Intermittent
Minimum Service Temperature, Air	-65.0 °C	Continuous
	-65.0 °C	Intermittent
Glass Transition Temp, Tg	38.0 °C	TMA
	51.0 °C	DMA, @ onset point
	63.0 °C	DMA, tan delta

Processing Properties	Original Value	Comments
Cure Time	2.00 - 4.00 hour @Temperature 65.0 °C	Option 3
	6.00 - 8.00 hour @Temperature 45.0 °C	Option 2
	24.0 hour @Temperature 25.0 °C	Option 1
Shelf Life	12.0 Month	Part A, Loctite Stycast 2057M

Descriptive Properties
Appearance	Black	Part A, Loctite Stycast 2057M
Mix Ratio, by Weight	100 : 10	Material : Catalyst

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