Henkel Loctite® Stycast® 2741 Two-Component Epoxy Flexible Encapsulant

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Henkel Loctite® Stycast® 2741 Two-Component Epoxy Flexible Encapsulant
Categories:	Polymer; Adhesive; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced
Material Notes:	2741 is designed for electronic embedment and in sealing or cementing of metals, ceramics and plastics. The hardness can be adjusted by varying the amount of Loctite CAT 15 used.Features: Ease of use Variable flexibility General purpose Room temperature cure capability Shock and impact resistant Room temp or heat cure
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Physical Properties	Metric	English	Comments

Density	0.970 g/cc	0.0350 lb/in³	Part B, CAT 15
	1.15 g/cc	0.0415 lb/in³	Mixed
	1.65 g/cc	0.0596 lb/in³	Part A, Loctite Stycast 2741
Brookfield Viscosity	25000 cP	25000 cP	Part B, CAT 15
	36000 cP	36000 cP	Mixed
	225000 cP	225000 cP	Part A, Loctite Stycast 2741
Linear Mold Shrinkage	0.0010 cm/cm	0.0010 in/in	Flexible Material

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	60	60	Flexible Material

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.350 W/m-K	2.43 BTU-in/hr-ft²-°F	Flexible Material
Maximum Service Temperature, Air	65.0 °C	149 °F	Flexible Material
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F

Processing Properties	Metric	English	Comments
Cure Time	120 - 240 min @Temperature 65.0 °C	2.00 - 4.00 hour @Temperature 149 °F	Option 3
	240 - 360 min @Temperature 45.0 °C	4.00 - 6.00 hour @Temperature 113 °F	Option 2
	960 - 1440 min @Temperature 25.0 °C	16.0 - 24.0 hour @Temperature 77.0 °F	Option 1
Working Life	160 min @Temperature 25.0 °C	160 min @Temperature 77.0 °F	100 g

Descriptive Properties
Appearance	Black		Part B, CAT 15
	Black		Part A
Mix Ratio, by Volume	250 : 100		Loctite CAT 15 per 100 parts Loctite Stycast 2741
Mix Ratio, by Weight	150 : 100		Loctite CAT 15 per 100 parts Loctite Stycast 2741

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