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Specialty Compounds RTP Company

Momentive Performance Materials RTV118 One Component Acetoxy Adhesive Sealant, Translucent
Categories: Polymer; Adhesive; Thermoset; Silicone; Silicone, RTV, Adhesive/Sealant Grade

Material Notes: RTV series one-component, ready-to-use adhesive sealants are extremely versatile. They cure to a tough, durable, resilient silicone rubber on exposure to atmospheric moisture at room temperature. Acetic acid vapors are released from the sealant surface as a by-product of cure.

RTV 112 and 118 sealants are self-leveling products which are preferable to paste-consistency sealants when flow into small crevices and hard to reach places is desired.

Key Performance Properties:

  • One-component products
  • Capability to cure at room temperature and ambient humidity
  • Self adhesion properties
  • Low temperature flexibility
  • High temperature performance
  • Excellent weatherability and ozone and chemical resistance
  • Excellent electrical insulation properties

Applications:

Electrical insulation, thin section potting, self leveling protective coatings. Will flow into small crevices and hard to reach places.

FDA 21 CFR 177.2600 USDA NSF International Std. No. 51

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

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.05 g/cc1.05 g/cc
Viscosity 20000 cP20000 cP
Linear Mold Shrinkage 0.010 cm/cm0.010 in/in
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 2525
Tensile Strength, Ultimate 2.26 MPa327 psi
Elongation at Break 325 %325 %
Adhesive Bond Strength 0.686 MPa99.5 psiAt 100% cohesive failure
Peel Strength 2.63 kN/m15.0 pliAt 100% cohesive failure using 1 in. x 8 in. stainless steel screen at 180° pull angle
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 6.00e+14 ohm-cm6.00e+14 ohm-cm
Dielectric Constant 2.8
@Frequency 60 Hz
2.8
@Frequency 60 Hz
Dielectric Strength 16.0 kV/mm406 kV/in
Dissipation Factor 0.0010
@Frequency 60 Hz
0.0010
@Frequency 60 Hz
 
Thermal PropertiesMetricEnglishComments
CTE, linear 270 µm/m-°C
@Temperature 20.0 °C
150 µin/in-°F
@Temperature 68.0 °F
Thermal Conductivity 0.209 W/m-K1.45 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 204 °C399 °FContinuous
 260 °C500 °FIntermittent
Brittleness Temperature -60.0 °C-76.0 °F
 
Processing PropertiesMetricEnglishComments
Tack-Free Time 20.0 min0.333 hour
 
Compliance PropertiesMetricEnglishComments
FDA YesYesSee notes for details.
USDA YesYes
 
Descriptive Properties
ColorTranslucent
ConsistencySelf-leveling

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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