Momentive Performance Materials RTV8262 Silicone Rubber Compounds for Potting, Encapsulating and Sealing

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Momentive Performance Materials RTV8262 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	Original Value	Comments

Specific Gravity	1.47 g/cc
Viscosity	47000 cP
Linear Mold Shrinkage	0.00060 cm/cm

Mechanical Properties	Original Value	Comments
Hardness, Shore A	52
Tensile Strength, Ultimate	41.0 kg(f)/cm²
Elongation at Break	150 %
Tear Strength	7.70 kg(f)/cm

Electrical Properties	Original Value	Comments
Volume Resistivity	4.40e+14 ohm-cm
Dielectric Constant	3.98 @Frequency 1000 Hz
Dielectric Strength	18.5 kV/mm
Dissipation Factor	0.017 @Frequency 1000 Hz

Thermal Properties	Original Value	Comments
CTE, linear	200 µm/m-°C @Temperature 20.0 °C
Specific Heat Capacity	0.350 BTU/lb-°F
Thermal Conductivity	0.000740 cal cm/sec-cm²-°C
Maximum Service Temperature, Air	204 °C
Minimum Service Temperature, Air	-54.0 °C

Descriptive Properties
Color	Red
Consistency	Pourable

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