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Sumitomo Bakelite E 264H Epoxy Molding Compound
Categories: Polymer; Thermoset; Epoxy; Epoxy Molding Compound
Material Notes: E 264H is a high strength, long fiberglass reinforced epoxy molding compound, which features improved flow in transfer molding.

Information provided by Sumitomo Bakelite High Performance Plastics (sbhpp)
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Physical PropertiesMetricEnglishComments
Specific Gravity 1.82 g/cc1.82 g/ccASTM D792
Water Absorption 0.15 %
@Time 173000 sec		0.15 %
@Time 48.0 hour		ASTM D570
Linear Mold Shrinkage 0.000090 cm/cm0.000090 in/inASTM D955
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 105105ASTM D695
Tensile Strength 94.0 MPa13600 psiASTM D638
Flexural Strength 235 MPa34100 psiASTM D790
Flexural Modulus 20.0 GPa2900 ksiASTM D790
Compressive Strength 203 MPa29400 psiASTM D695
Izod Impact, Notched 7.28 J/cm13.6 ft-lb/inASTM D256A
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant 3.7
@Frequency 1e+6 Hz		3.7
@Frequency 1e+6 Hz		wet; ASTM D150
Dielectric Strength  >= 15.0 kV/mm
@Frequency 60 Hz		>= 381 kV/in
@Frequency 60 Hz		SS, dry
 >= 17.5 kV/mm
@Frequency 60 Hz		>= 445 kV/in
@Frequency 60 Hz		ST, dry
Dissipation Factor 0.010
@Frequency 1e+6 Hz		0.010
@Frequency 1e+6 Hz		wet; ASTM D150
Arc Resistance 125 sec125 secASTM D495
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 1.8 MPa (264 psi) >= 282 °C>= 540 °FPost Baked; ASTM D648A

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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PSUMIT126 / 193931

Specialty Compounds RTP Company




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