Momentive Performance Materials RTV8111 Silicone Rubber Compounds for Potting, Encapsulating and Sealing

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Momentive Performance Materials RTV8111 Silicone Rubber Compounds for Potting, Encapsulating and Sealing
Categories:	Polymer; Adhesive; Thermoset; Silicone; Silicone, RTV, Adhesive/Sealant Grade
Material Notes:	RTV8111, RTV8112 and RTV8262 silicone rubber compounds are two-part silicone elastomers supplied in ready-to-use matched kits containing a base compound and curing agent. Mechanical and electrical properties for specimen cured 72 hours at 25°C and 50% relative humidity. Key Performance Properties: Conforms to the physical and electrical requirements of MIL-S-23586E Non-corrosive to copper Retention of elastomeric properties at high temperature up to 204°C (400°F) continuously for RTV8111 and RTV8112 up to 260°C (500°F) continuously for RTV8262 Excellent adhesion capabilities when used with primer Room temperature cure Composition free of solvents Applications: Typical applications include, but are not limited to the potting of electronic circuit modules, electrical connectors and coils, and other applications in electronics, military/defense and commercial aerospace industries. GE Silicones became a part of Momentive Performance Materials in 2006.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.18 g/cc	1.18 g/cc
Viscosity	9900 cP	9900 cP
Linear Mold Shrinkage	0.0010 cm/cm	0.0010 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	45	45
Tensile Strength, Ultimate	2.45 MPa	356 psi
Elongation at Break	160 %	160 %
Tear Strength	4.22 kN/m	24.1 pli

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+15 ohm-cm	1.00e+15 ohm-cm
Dielectric Constant	3.3 @Frequency 1000 Hz	3.3 @Frequency 1000 Hz
Dielectric Strength	19.7 kV/mm	500 kV/in
Dissipation Factor	0.0055 @Frequency 1000 Hz	0.0055 @Frequency 1000 Hz

Thermal Properties	Metric	English	Comments
CTE, linear	250 µm/m-°C @Temperature 20.0 °C	139 µin/in-°F @Temperature 68.0 °F
Specific Heat Capacity	1.46 J/g-°C	0.350 BTU/lb-°F
Thermal Conductivity	0.293 W/m-K	2.03 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	204 °C	399 °F
Minimum Service Temperature, Air	-54.0 °C	-65.2 °F

Descriptive Properties
Color	White
Consistency	Easily Pourable

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