Epoxies, Etc 50-1225 Thermally Conductive Silicone Rubber

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Epoxies, Etc 50-1225 Thermally Conductive Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	Description: 50-1225 is a low viscosity, room temperature curing silicone potting and encapsulating compound. When cured, this material forms a soft, highly flexible, flame retardant, and thermally conductive package. 50-1225 can be used for potting or encapsulating electronic packages that have sensitive components. Due to its low stress during and after cure, this material will not crush or damage delicate components. This silicone system will maintain its low durometer through aging and thermal cycling. 50-1225 provides high heat transfer and does not require a post cure. It may be used immediately after curing at operating temperatures of -65oC to 210oC. Features: Flexible Thermally conductive Solvent free Deep section curing (beyond 1-2 inches) High operating temperatures <87> Benefits: Low stress on components and vibration resistant Quick heat dissipation extends electronic life No by-products released during cure and safe to handle No need for multiple pours Good protection in extreme environmental applications Information provided by Epoxies, Etc
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Physical Properties	Metric	English	Comments

Specific Gravity	2.00 g/cc	2.00 g/cc
Viscosity	32000 cP	32000 cP
Storage Temperature	18.0 - 27.0 °C	64.4 - 80.6 °F

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	35	35
Tensile Strength	5.86 MPa	850 psi
Elongation at Break	120 %	120 %	die C

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+14 ohm-cm	1.00e+14 ohm-cm	500V DC
Dielectric Constant	5.2 @Frequency 100 Hz	5.2 @Frequency 100 Hz
	5.2 @Frequency 1000 Hz	5.2 @Frequency 1000 Hz
Dielectric Strength	24.0 kV/mm @Thickness 1.59 mm	610 kV/in @Thickness 0.0625 in

Thermal Properties	Metric	English	Comments
Thermal Conductivity	1.73 W/m-K	12.0 BTU-in/hr-ft²-°F
Shrinkage	<= 0.20 % @Temperature 25.0 °C, Time 259000 sec	<= 0.20 % @Temperature 77.0 °F, Time 72.0 hour

Processing Properties	Metric	English	Comments
Cure Time	15.0 min @Temperature 150 °C	0.250 hour @Temperature 302 °F
	60.0 min @Temperature 100 °C	1.00 hour @Temperature 212 °F
	240 min @Temperature 65.0 °C	4.00 hour @Temperature 149 °F
Pot Life	30.0 min @Load 0.100 kg	30.0 min @Load 0.221 lb
Shelf Life	6.00 Month	6.00 Month

Descriptive Properties
Color	White

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PFEPOX042 / 316719

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