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Rulon Bearings

3M Scotchcast™ 4 Electrical Insulating Resin
Categories: Polymer; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced

Material Notes: 3M Scotchcast Electrical Insulating Resin 4 is a two-part, epoxy insulating and encapsulating resin. This resin, mixed in its unique two-part bag, generates its own heat to cure. Its compatibility with solid and synthetic cable insulations and jackets makes Resin 4 an excellent insulator and sealer for cable splicing. Use Resin 4 to splice solid dielectric and oil-filled cables up to 8 kV and to jacket high voltage power cables. It is used in 3M Splice Kit Series 82 and 90-B1.

Information provided by 3M

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Physical PropertiesMetricEnglishComments
Density 1.11 g/cc0.0401 lb/in³
Moisture Absorption 2.60 %2.60 %7 days at RT
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 8484ASTM D2240
Tensile Strength at Break 33.8 MPa4900 psiASTM D412
Elongation at Break 4.0 %4.0 %ASTM D412
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant  3.1
@Frequency 60.0 Hz,
Temperature 23.0 °C
3.1
@Frequency 60.0 Hz,
Temperature 73.4 °F
ASTM D150
 3.9
@Frequency 60.0 Hz,
Temperature 60.0 °C
3.9
@Frequency 60.0 Hz,
Temperature 140 °F
ASTM D150
 6.0
@Frequency 60.0 Hz,
Temperature 90.0 °C
6.0
@Frequency 60.0 Hz,
Temperature 194 °F
ASTM D150
Dielectric Strength 19.7 kV/mm500 kV/inASTM D149
Dissipation Factor 0.50
@Frequency 60 Hz,
Temperature 23.0 °C
0.50
@Frequency 60 Hz,
Temperature 73.4 °F
ASTM D150
 
Thermal PropertiesMetricEnglishComments
Glass Transition Temp, Tg 54.0 °C129 °F
 
Processing PropertiesMetricEnglishComments
Gel Time 16.0 min16.0 minASTM D2471-99
 
Descriptive Properties
AppearanceBlack

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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