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Specialty Compounds RTP Company

Momentive Performance Materials RTV21 Pink General Purpose Potting/Encapsulating Compound
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE); Silicone; Silicone, RTV, Encapsulation Grade

Material Notes: Two-part condensation cure. Two-part condensation cure silicones RTVs are designed to cute at room temperature, and can be applied at temperature up to one inch (2.5 cm). These are very tough materials, highly resistant to contamination, and will not be affected by other chemicals during cure or after. Typical uses: Aerospace thermal insulation, thick section potting, and pour-in-place gasketing.

Data provided by the manufacturer, GE Silicones.

GE Silicones became a part of Momentive Performance Materials in 2006.

Key Words: RTV Silicones; R.T.V. Silicones
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Physical PropertiesMetricEnglishComments
Density 1.32 g/cc0.0477 lb/in³
Viscosity 26000 cP
@Temperature 25.0 °C
26000 cP
@Temperature 77.0 °F
Linear Mold Shrinkage 0.0060 cm/cm0.0060 in/in
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 4545
Tensile Strength, Ultimate 2.16 MPa313 psi
Elongation at Break 180 %180 %
Tear Strength 7.10 kN/m40.5 pliDie B
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 2.60e+14 ohm-cm2.60e+14 ohm-cm
Dielectric Constant 3.8
@Frequency 1000 Hz
3.8
@Frequency 1000 Hz
Dielectric Strength 16.5 kV/mm
@Thickness 1.90 mm
419 kV/in
@Thickness 0.0748 in
Dissipation Factor 0.020
@Frequency 1000 Hz
0.020
@Frequency 1000 Hz
 
Thermal PropertiesMetricEnglishComments
CTE, linear 200 µm/m-°C
@Temperature 20.0 °C
111 µin/in-°F
@Temperature 68.0 °F
Thermal Conductivity 0.310 W/m-K2.15 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 204 °C399 °FContinuous useful temperature.
Minimum Service Temperature, Air -54.0 °C-65.2 °FContinuous useful temperature.
 
Processing PropertiesMetricEnglishComments
Processing Temperature 25.0 °C77.0 °FCure time 24 hrs.
Pot Life 60.0 min
@Temperature 25.0 °C
60.0 min
@Temperature 77.0 °F

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.

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PZZGE969 / 40523

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