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Metal adhesives

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Momentive Performance Materials RTV566 Silicone Rubber Compound for Low Outgassing Applications
Categories: Polymer; Adhesive; Thermoset; Silicone; Silicone, RTV, Adhesive/Sealant Grade

Material Notes: RTV566 silicone rubber compound is a two-part product processed and tested for applications where low outgassing is required. RTV566A base compound is supplied ready to use with RTV566B curing agent.

Mechanical properties for specimen cured 7 days at 25°C and 50% relative humidity.

Key Performance Properties:

  • Provides low outgassing characteristics in a high vacuum environment
  • Room temperature cure
  • Excellent release properties
  • Excellent adhesion capability with primer
  • Retains elastomeric properties from -115°C up to 260°C continuously and up to 316°C for short periods of time

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

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.15 g/ccRTV566B
 1.49 g/ccRTV566A
Viscosity 42700 cP
Collected Volatile Condensable Material 0.020 %After 24 hours at 125°C and 1 x 10-6 Torr
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 61
Tensile Strength, Ultimate 56.0 kg(f)/cm²
Elongation at Break 120 %
Adhesive Bond Strength 3.24 MPaLap shear, on primed Al
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 260 °C
 316 °C
Minimum Service Temperature, Air -115 °C
 
Processing PropertiesOriginal ValueComments
Tack-Free Time 2.20 hour
 
Descriptive Properties
% Total Weight Loss0.0014After 24 hours at 125°C and 1 x 10-6 Torr
Application rate180 g/min45 mins after mixing, 0.125 in. orifice @ 90 psi
ColorRed for A, Yellow Brown for B
Work Time1.5 hours

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 go back to viewing the property data in MatWeb's normal format.

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Metal adhesives

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