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Master Bond adhesives

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Momentive Performance Materials RTV88 Red Extreme High Temperature 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: Potting surge protectors. Aerospace such as sealing, bonding, and gasketing on vertical or overhead surfaces.

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 PropertiesOriginal ValueComments
Density 1.47 g/cc
Viscosity 880000 cP
@Temperature 25.0 °C
Linear Mold Shrinkage 0.0060 cm/cm
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 58
Tensile Strength, Ultimate 5.79 MPa
Elongation at Break 120 %
Tear Strength 8.00 kN/mDie B
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 2.80e+14 ohm-cm
Dielectric Constant 4.3
@Frequency 1000 Hz
Dielectric Strength 17.4 kV/mm
@Thickness 1.91 mm
Dissipation Factor 0.030
@Frequency 1000 Hz
 
Thermal PropertiesOriginal ValueComments
CTE, linear 200 µm/m-°C
@Temperature 20.0 °C
Thermal Conductivity 0.310 W/m-K
Maximum Service Temperature, Air 260 °CContinuous useful temperature.
Minimum Service Temperature, Air -54.0 °CContinuous useful temperature.
 
Processing PropertiesOriginal ValueComments
Processing Temperature 25.0 °CCure time 24 hrs.
Pot Life 45.0 min
@Temperature 25.0 °C

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