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Master Bond adhesives

Wacker Semicosil® 979 EC Electrically Conductive Adhesive
Categories: Polymer; Adhesive; Thermoset; Silicone; Silicone Rubber

Material Notes: SEMICOSIL® 979 EC is a RTV-1 amine cure silicone rubber that cures on contact with moisture in the air.

Special features:

  • Low volume resistivity
  • Thixotropic paste
  • Solvated
  • Excellent adhesion to many substrates
Application: SEMICOSIL® 979 EC is an electrically conductive adhesive for use in the electronics industry.

Information provided by Wacker Chemie AG.

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
Density 0.820 g/cc0.0296 lb/in³
Solids Content 70 %70 %
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 3535ASTM D2240
Tensile Strength at Break 1.38 MPa200 psiASTM D412
Elongation at Break 200 %200 %ASTM D412
Tear Strength 0.877 kN/m5.00 pliASTM D624B
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 10 ohm-cm10 ohm-cm
 
Processing PropertiesMetricEnglishComments
Cure Time 10.0 min
@Treatment Temp. 25.0 °C
0.167 hour
@Treatment Temp. 77.0 °F
Skin forming time, 50% RH
Tack-Free Time 45.0 min
@Treatment Temp. 25.0 °C
0.750 hour
@Treatment Temp. 77.0 °F
50% RH
 
Descriptive Properties
AppearanceBlack Paste

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.

PWACK9425 / 204954

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