Henkel Loctite® Stycast® 82 SIRSW1 Two-Component Silicone Syntactic Foam

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Henkel Loctite® Stycast® 82 SIRSW1 Two-Component Silicone Syntactic Foam
Categories:	Polymer; Thermoset; Silicone; Silicone Foam
Material Notes:	Product Benefits Lightweight Ease of use Low thermal conductivity High temperature resistance Non-corrosive Can be cured in thick sections Cure: Heat cure Application: Assembly Typical Assembly Applications: Bonding lightweight molded parts and thermal barriers for aerospace applications Loctite Stycast 82 SIRSW1 is a lightweight syntactic foam designed for aerospace applications requiring high strength, high elongation and lightweight. The special microballoons used in this system allows this material to withstand high compressive loads and make it suitable for processing in moderate shear machinery. Information provided by Henkel.
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Physical Properties	Metric	English	Comments

Viscosity	2.35 cP	2.35 cP	Part B
	240 cP	240 cP
	375 cP	375 cP	Part A

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	60	60
Tensile Strength	1.85 MPa	268 psi
Elongation at Break	157.5 %	157.5 %
Adhesive Bond Strength	>= 1.00 MPa	>= 145 psi	Tensile Lap Shear Strength

Thermal Properties	Metric	English	Comments
CTE, linear	185 µm/m-°C	103 µin/in-°F
Thermal Conductivity	0.163 W/m-K	1.13 BTU-in/hr-ft²-°F

Processing Properties	Metric	English	Comments
Cure Time	135 min @Temperature 150 °C	2.25 hour @Temperature 302 °F	Post Cure: 1 hour @ 200°C
Pot Life	240 min	240 min
Shelf Life	6.00 Month @Temperature 18.0 - 25.0 °C	6.00 Month @Temperature 64.4 - 77.0 °F	From date of manufacture

Descriptive Properties
Dry heat Resistance, Shore A (maximum)	65
Weight Loss (%)	< 4		Cured

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