Henkel Loctite® Stycast® US 5529 Two-Component Flexible, Flame Retardant, Polyurethane Compound

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Henkel Loctite® Stycast® US 5529 Two-Component Flexible, Flame Retardant, Polyurethane Compound
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Loctite Stycast US 5529 provides the following product characteristics: Room temperature cure Application: Potting and Encapsulating Loctite Stycast US 5529 is a flexible, flame retardant, mineral filled, polyurethane compound. This potting compound has long pot life, and is low viscosity so it flows well and adheres well to many substrates. It has very low odor and does not contain TDI or mercury compounds. Although Loctite Stycast US 5529 is not UL recognized, it does have the same amount of flame retardant chemical as US5528, which is UL recognized. Information provided by Henkel.
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Physical Properties	Metric	English	Comments

Density	1.50 g/cc	0.0542 lb/in³	Cured
Moisture Absorption	0.0100 % @Time 86400 sec	0.0100 % @Time 24.0 hour
Viscosity	2400 cP	2400 cP	Mixed

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	85	85
Tensile Strength	3.72 MPa	540 psi

Electrical Properties	Metric	English	Comments
Volume Resistivity	4.50e+13 ohm-cm	4.50e+13 ohm-cm
Dielectric Constant	4.0 @Frequency 100000 Hz	4.0 @Frequency 100000 Hz
Dielectric Strength	38.3 kV/mm	972 kV/in
Dissipation Factor	0.040 @Frequency 100000 Hz	0.040 @Frequency 100000 Hz

Thermal Properties	Metric	English	Comments
CTE, linear	150 µm/m-°C	83.3 µin/in-°F
Thermal Conductivity	0.335 W/m-K	2.32 BTU-in/hr-ft²-°F
Flammability, UL94	V-0 @Thickness 6.10 mm	V-0 @Thickness 0.240 in
	V-0 @Thickness 9.53 mm	V-0 @Thickness 0.375 in

Processing Properties	Metric	English	Comments
Cure Time	60.0 - 180 min @Temperature 65.0 - 85.0 °C	1.00 - 3.00 hour @Temperature 149 - 185 °F	Alternate
	720 - 1440 min @Temperature 22.0 - 30.0 °C	12.0 - 24.0 hour @Temperature 71.6 - 86.0 °F	Recommended
Working Life	>= 45.0 min @Temperature 23.0 °C	>= 45.0 min @Temperature 73.4 °F	300 gm mass
Gel Time	90.0 min	90.0 min	300 gm mass

Descriptive Properties
Appearance	Black		Cured
Mix Ratio, by Volume	1 : 4.81		Part A : Part B
Mix Ratio, by Weight	15 : 85		Component A : Component B
Weight Loss (%)	0.004		Weight Loss after 168 hrs @ 130ºC

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